We should set it to be the same as the samAccountName, it appears - but is there anything else important about this field? Then run your dirsync and you should see the Mail User showing in Exchange Online under Contacts. In active directory, should mailNickname always equal samaccountname? If you miss th Exchange on-premises you will miss any changes that will come in the future and that may lead to problems. Previously, Office 365 Group creation didnot enforce the mailNickname to be unique across Office 365 Groups. In case there is someone with multiple surname we take the first letter of every part to make it 3 letters. Much of what I find on how these attributes are used and completed is contradicted with what I actually see and with other doc, even within Microsoft's own site. Question2: Can we disable the automatic changing of MailNickName / Alias by backend processes to guids and be in charge ourselves? ~ AD attribute name of Alias is " mailNickname". How can I change a sentence based upon input to a command? find the mailNickname attribute. Using this option will create the AD User AND the Mail-enabled user (MEU) object with the remote routing address (such as jsmith . How do I use Get-AdObject with an -LDAPFilter on proxyAddresses? UserPrincipalName : us5@verified.contoso.com. I think I recall that in former versions of Windows and/or Exchange the main proxyAddresses was always kept in sync with the mail attribute. If the on-premises UserPrincipalName attribute/Alternate login ID suffix is verified with the Azure AD Tenant, then the Azure AD UserPrincipalName attribute value is going to be the same as the on-premises UserPrincipalName attribute/Alternate login ID value. This article describes how the UserPrincipalName attribute is populated in Azure Active Directory (Azure AD). This page explains the common Lightweight Directory Access Protocol ( LDAP) attributes which are used in VBS scripts and PowerShell. Is it also recommended that I ad some form of Id to make sure that it stays unique? Theoretically Correct vs Practical Notation, Dealing with hard questions during a software developer interview, Does it ever make sense to have different, If the answer to the preceding question is "no": What am I doing wrong that causes. The linked blog post seems to claim that the required sync'ing does happen by the standard MS configuration tools. In the case of a User, two fields are of particular relevance: sAMAccountName (SAM-Account) and userPrincipalName (UPN). . The attribute value doesn't depend on or influence the value of DisplayName, the legacyExchangeDN or any SMTP address, so you can have pretty much any value for it, and change it as necessary. You can edit the proxyAddresses attribute directly using the IdFix tool: After modifying the conflicting attribute, select the EDIT Action and click Apply. Most obvious, they have a value in the targetAddress attribute. I would check for other possible duplicated to avoid issues in future. it may do in other hosted environments. Asking for help, clarification, or responding to other answers. - edited If you could find out I would appreciate it very much. JitenSh. If you use the policy you can also specify additional formats or domains for each user. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Find out more about the Microsoft MVP Award Program. Azure Active Directory Object Permissions. ~ RUS will first search for mailNickname and homeMDB attributes while identifying an mail enabled object to populate various attributes based on recipient policies. Can non-Muslims ride the Haramain high-speed train in Saudi Arabia? Have to use LDAP/Distinguished Name notation. In Windows Active Directory (in connection with Exchange 2010), I am unsure about the semantic difference between mail: and proxyAddresses: attributes. When Office 365 Groups are created, the name provided is used for mailNickname as well as the first portion of SMTP Address. The table below lists the attributes that change their name during transit from AD via the Metaverse to Azure AD: AD / Metaverse / AAD - Attribute Name Changes AD AAD Metaverse AAD Summary It's clear from the above table that you need to address certain attributes by different naming depending on your "point of entry". rev2023.3.1.43269. Asking for help, clarification, or responding to other answers. 2. The Alias or Mailnickname attribute in Microsoft Exchange Online doesn't match what is set in the Exchange on-premises environment for a synced user account. It can do this and it happens, so if you want to store this information somewhere, instead of the UPN obtain user's objectId and store it. My organization did not start off in Exchange (originally Lotus Notes); when we migrated to the Exchange Online, we did not populate the mailNickname attribute, and the Exchange Management Console didn't do it for us (as In this link: https://msdn.microsoft.com/en-us/library/azure/ad/graph/api/users-operations there is a field called mailNickname which adds email alias for a user in active directory. This issue occurs if changes are made to the user principal name (UPN) for the user and the Mailnickname attribute value is changed to the prefix of the UPN. ~ Alias is the identifier for various Exchange processes as like in AD, logon name. mailNickName : The mailNickName is nothing but the mail alias for the new group that you are going to create (for ex: if you want your new group email address like "o365Group@contoso.com" - then here 'o365Group' is nickname). like so:https://docs.microsoft.com/en-us/sharepoint/dev/solution-guidance/modern-experience-customizations-p We have to do it like this because all other Team/Group creation endpoints do not create the SharePoint Site immediately, and we need some basic things configured in the Site as soon as the Group gets created. When viewing Exchange Admin Center, those two users are the only ones with the Hide from address lists checkbox checked. Were sorry. about is found under the Exchange General tab on the Properties of a user. Why does Jesus turn to the Father to forgive in Luke 23:34? Dealing with hard questions during a software developer interview. So it may happen that I have a user with. So, 1 user will have 2 mail IDs (code@company.com and alias@company.com). The LdapRecipientFilter "(mailNickname=*)" on Address List or Email Address Policy "Default Policy" is invalid. Update on on-premises userPrincipalName attribute triggers recalculation of Azure AD UserPrincipalName attribute. See Azure AD sign-in configuration for your users under the section Sync. The targetAddress is a very potent attribute that can be set on the Active Directory user, group, and contact object types. Perhaps it depends on the situation (Hybrid, on-premise, online only, etc) and they leave that out? Set MOERA to @. tom smith and ted smith. What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? To resolve this issue, update the Alias or Mailnickname attribute. One approach we've seen customers use is to build a universal Alias Reservation List that guarantees uniqueness across all their services that create mail-enabled properties, including on-premises. A unified login ensures that users can authenticate against local resources (e.g. and run a delta sync. I have not verified this. You could login to your Domain Controller and open up Active Directory Users and Computers, find the user that owns the mailbox, right click on them, and select Properties. mailNickName attribute is an email alias. Applications of super-mathematics to non-super mathematics, Retrieve the current price of a ERC20 token from uniswap v2 router using web3js. You could login to your Domain Controller and open The content you requested has been removed. (ie. Hello again David, Absolutely nothing, right? If multiple Office 365 Groups contain the same mailNickname, customers can encounter collisions when these groups are syncd to on-premises via AAD Connect. An Unexpected Error has occurred. I'm using an HTTP request for this. You may also refer similar MSDN thread and see if it helps. Is there a way to only permit open-source mods for my video game to stop plagiarism or at least enforce proper attribution? When I go to run the command: What I am talking. Once in hybrid, the Exchange 2013 (or later) Admin Center gives the admin the choice to create a New Office 365 Mailbox instead of a Mailbox. So any mail that user sends will use as sender address; incoming mail addressed to either or will end up at that users mailbox; but where does come into play? Thank you for the reply RezaDorrani. If I have an ADFS replying party passing mailnickname/alias as a claim for example, any dups will cause problems, just to give another example beyone Tony's . In at least one case I have seen that adding the mailnickname attribute did not cause the msExch attribute to sync over. If this is not set, then msExchHideFromAddressLists doesn't work correctly. But, do we also need to modify the mailNickname property? To do this, run the following cmdlet: More info about Internet Explorer and Microsoft Edge. Alternate login ID allows you to configure a sign-in experience where users can sign-in with an attribute other than their UPN, such as mail. I will try it out and respond with the results in a few days. The Action status will change to COMPLETED and on the next query the objects with the duplicate . mail = externalemail@domain.com. Well, excluding blank one :). It is "tsmith". The reason of keeping one Exchange on-premises is to keep the same AD attribute update/changes that are happening after Microsoft update/upgrade the Exchange Servers in O365. In the Azure AD, Exchange Online and SharePoint Online realms that single property was unifying everything. Acceleration without force in rotational motion? MailNickName attribute: Holds the alias of an Exchange recipient object. After the initial synchronization of the user object, updates to the on-premises mail attribute and the primary SMTP address will not affect the Azure AD MailNickName or the UserPrincipalName attribute. Tom smith has email address of tsmith@company.com, while Ted has tedsmith@company.com so there isn't a conflict etc. Find-AdmPwdExtendedRights -Identity "TestOU" @Tony RedmondOK, thanks for the tip about the Group Identifier on the Site object of a Group.. Scenario 1: User doesn't have the mail, mailNickName, or proxyAddresses attribute set You created an on-premises user object that has the following attributes set: Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. It presents all the permiss We have a terminalserver and users complain that each time the want to print, the printer is changed to a certain local printer. Not the answer you're looking for? What are some tools or methods I can purchase to trace a water leak? SMTP address listed, only the mailbox@OurDomain.com SMTP is listed. @SjoerdVIf you run Get-SPOSite -Detail you'll get the Group identifier (GroupId) returned. It also apparently can cause problems outside of the Azure AD Connect scoping filter. E-mail alias is unique value which identifies user mailbox, it is not necessary part of its e-mail, usually it is. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There are 3 attributes that need to be configured to ensure Accounts are synced properly between your on-premise domain controller and AzureAD/Exchange Online. Prefix of on-premises userPrincipalName attribute/Alternate login ID. See below for single user and multi-user removal. Thanks for contributing an answer to Stack Overflow! Set MOERA to @. At what point of what we watch as the MCU movies the branching started? The 'targetAddress' attribute is used to deliver mail to the mailbox. But I am interested in your assertion that background processes are overriding the Alias property for groups. What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? Centering layers in OpenLayers v4 after layer loading. If the development team want something unique why not create a new property for that and leave us our Alias/MailNickName? Are you talking about an Alias field in Exchange General tab of any mail enabled objects? "SMTP:foo@example.com") Some time after these attributes are set or unset (or when Update-Recipient is called on that user object), Exchange will "do the right . Set the . Is it just like a unique name? We would like to prevent the creation of Office 365 groups with duplicate display names in the organization. You may modify as you need. In the multi-user one, change the OU to where ever you put your termed user accounts. If this answer was helpful, click "Mark as Answer" or Up-Vote. Set Azure AD MailNickName attribute to primary SMTP address prefix. It may be better to use UserProfileV2 as this is the latest version of this function and mailNickname is with a small "m". For example, "someone@example.com". Acceleration without force in rotational motion? If the on-premises UserPrincipalName attribute/Alternate login ID suffix is not verified with Azure AD Tenant, then the Azure AD UserPrincipalName attribute value is set to MOERA. To learn more, see our tips on writing great answers. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. For this first step, we're mainly focusing on enforcing uniqueness across cloud-managed Office 365 Groups. Here is the artical may help you: Baseline Technologies. Perhaps you should revert to these methods where (AFAIK) the alias is preserved. mailNickName is an email alias. Thanks for contributing an answer to Stack Overflow! You should not use e-mail as a property to identify a user but userPrincipalName (UPN) as this is a value which is being used to identify a user. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. This should sync the change to Microsoft 365. The MailNickName parameter specifies the alias for the associated Office 365 Group. Select the Attribute Editor Tab and find the mailNickname attribute. There are 3 attributes that need to be configured to ensure Accounts are synced properly between your on-premise domain controller and AzureAD/Exchange Online. the issue of Exchange attributes not syncing to Azure AD because we were not using the mailNickname attribute. How to properly visualize the change of variance of a bivariate Gaussian distribution cut sliced along a fixed variable? Connect and share knowledge within a single location that is structured and easy to search. To determine the schema version of your forest you can use dsquery as follows, assuming your domain is MyDomain.com: We do have an on-prem Exchange server, but no mailboxes - it's just for the schema extensions, as you said. Click the Attribute Editor tab.. 4. For now, if you want to be sure that Office 365 Groups created using Outlook, OWA, the Outlook and Groups mobile app, or the New-UnifiedGroup cmdlet have names that meet a certain standard, you can use the Exchange Online distribution group naming policy. All rights reserved. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 . If at all possible, you should retain the default option to use the userPrincipalName attribute. The fact that if I create a Group/Team by specifiying the Alias (forcefully) and it gets overriden by backend processes that is running irregularly is scary, we now never know when the alias will be changing and if I had specified it in the first place, why is it being overridden at all? Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. 2 Answers. adminDescription. After this has all been set, at a certain point in time (could be a day, or more) the Alias changes by backend processes to a guid, I have no idea why and how this is triggered (Maybe something with the Compliance Center Object Model that is triggering this after a certain time, perhaps when actually creation the Preservation Hold Library?). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Any consideration before we go and populate Here is list of required attributes for Exchange 2013 to make automatic provisioning work: mailNickname (eg "foo" - the local part of the email address) targetAddress (eg. We create Groups/Teams by using SPO CSOM from PnP, and the Alias is always used in this process. A UPN must be unique among all security principal objects within a directory forest. The open-source game engine youve been waiting for: Godot (Ep. ms-Exch-Mail-Nickname. A UPN consists of a UPN prefix (the user account name) and a UPN suffix (a DNS domain name). Another user attribute that must be populated for msExchHideFromAddressLists to work is the "mailNickname". Making statements based on opinion; back them up with references or personal experience. The duplicates are for users in different domains within my single forest. What is MailNickname for? Connect and share knowledge within a single location that is structured and easy to search. To enable Alternate login ID with Azure AD, no additional configurations steps are needed when using Azure AD Connect. A MS support rep stated that the mailnickname attribute is unrelated to the msExchHideFromAddressLists attribute. 02:00 AM Hopefully, we will see news of this at Ignite. To provide additional feedback on your forum experience, click here 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Is something's right to be free more important than the best interest for its own species according to deontology? 1 Answer Sorted by: 3 You are mixing user alias with list of user e-mail addresses. Duress at instant speed in response to Counterspell. With Exchange Online, this is where the mailbox@Tenant.OnMicrosoft.com SMTP will be located. If you use the policy you can also specify additional formats or domains for each user. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Easiest way to remove 3/16" drive rivets from a lower screen door hinge? Hello,So I am currently working on deploying LAPS and I am trying to setup a single group to have read access to all the computers within the OU. I really don't think you need anything more complicated than to check all mail-enabled objects (rather than just Groups as you do today) to detect duplicate aliases Sep 14 2017 What are the correct version numbers for C#? ~ All mail enalbled objects should have alias field populated to recognized as a mail enabled otherwise it is not considered as a mail enabled. Launching the CI/CD and R Collectives and community editing features for Validate a username and password against Active Directory? Theoretically Correct vs Practical Notation. So it's another spot for an alias as opposed to the proxyAddresses property? Exactly. At this point I can't seem to find any consistency in this. An on-premises attribute other than UserPrincipalName, such as mail attribute, used for sign-in. email addresses in Exchange/Outlook parlance). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. This forum has migrated to Microsoft Q&A. In some environments, end users may only be aware of their email address and not their UPN. Ie. Thank for letting me know, this is a Flow that I took over from someone else so I just went along with it. 1 found this helpful thumb_up thumb_down. Under the User Principal Name drop-down, select the attribute for Alternate login ID. Figure 2: Connect AD forests Image: Microsoft. adminDisplayName. In the below commands have copied the sAMAccountName as the value. If you use the policy you can also specify additional formats or domains for each user. As far as I can tell, this isn't really hurting anything but now I'm trying to move to O365 and its causing sync errors as the attribute is not unique. When a user object is synchronized to an Azure AD Tenant for the first time, Azure AD checks the following items in the given order and sets the MailNickName attribute value to the first existing one: When the updates to a user object are synchronized to the Azure AD Tenant, Azure AD updates the MailNickName attribute value only in case there is an update to the on-premises mailNickName attribute value. NOTE: Make sure that all users have the mailNickName attribute populated in the local Active Directory; mailNickName is an Exchange property and it doesn't exist by default in Active Directory, so if you never had a local Exchange installed, the mailNickName attribute doesn't exist on the user's properties. Ideally, this should sync the changes that are made in step 1 to Microsoft 365. The UserPrincipalName attribute value is the Azure AD username for the user accounts. Details : The attribute type 'mailNickname' or its syntax is not. The text was updated successfully, but these errors were encountered: Can I use this tire + rim combination : CONTINENTAL GRAND PRIX 5000 (28mm) + GT540 (24mm). We also set Azure AD settings/policies, Exchange Onlinesettings/policies, Teams settings/policies and Compliance retention policies by using the object model during this provisioning process (using the Alias as an identifier). How does a fan in a turbofan engine suck air in? If you don't, you won't see the group identifier information. The MailNickName / Alias was a 'sure thing' property to use across ecosystems. Message 2 of 11 850 Views 0 Reply Viral21 Helper IV The problem I encountered was in missing/difference in attributes retrieved by the commands. When I specify a guid myself 'on creation', will it stay that particular guid, or will the backend process change it to a different guid? This topic has been locked by an administrator and is no longer open for commenting. MailNickName attribute: Holds the alias of an Exchange recipient object. The last three attributes in the table, "mail", "mailNickName", and "msExchResourceSearchProperties" are only included if you have the correct version of Exchange. Exchange 2010 Mail Contacts get assigned internal SMTP addresses by the recipient policy, Adding alias to an Office 365 mailbox with dirsync, Active Directory Integrated DNS Records Deletion by System, Active Directory Users - All Attributes Suddenly Blank. This is a great observation. I normally make the mailnickname the same as the login name. 2. To fix the issue you should reconfigure or remove one of the duplicate proxyAddresses values. The UserPrincipalName attribute value is the Azure AD username for the user accounts. This should sync the change to Microsoft 365. The best answers are voted up and rise to the top, Not the answer you're looking for? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Share Improve this answer Follow answered Feb 3, 2009 at 2:49 benPearce 37.3k 14 64 96 2 Because there is no update to the on-premises userPrincipalName attribute, there is no change to the Azure AD UserPrincipalName attribute. 04:54 AM. My Blog -- I ran the IdFix utility and it returned duplicate mailnicknames attribute errors. My organization uses this. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 . Resolution Connect and share knowledge within a single location that is structured and easy to search. They're very much an Exchange construct. Will the product team eventually prevent duplicate guids across tenants? The field is ALIAS and by default logon name is used but we would. If we rename the last name to Joe S. Jones and wait for the delta sync we see it update in the Office Admin panel. To do this, run either of the following cmdlets: Start a Delta sync from Azure AD Connect, or wait for Azure AD Connect to run the delta> Ideally, this should sync the changes to Microsoft 365. Which is actually strange as Exchange should not have allowed that. Welcome to another SpiceQuest! Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. As you said, the proxy address attribute can contain multiple values whereas the mail address contains only a single value. Welcome to the Snap! Can I use a vintage derailleur adapter claw on a modern derailleur. The value of the MailNickName parameter has to be unique across your tenant. Exchange Online mailboxes) using the same set of username and password credentials. Attribute. As far as I can tell, mail: is one-valued whereas proxyAddresses: is multivalued and (apart from the possibility to include non-SMTP addresses) allows one value starting with SMTP as main address and several values starting with smtp as secondary addresses. PTIJ Should we be afraid of Artificial Intelligence? ), it can't be used anywhere in mailNickname. any SMTP address, so you can have pretty much any value for it, and change it as necessary. Azure AD calculates the MOERA from Azure AD MailNickName attribute and Azure AD initial domain as @. This attribute is called msExchHideFromAddressLists, and we selected the value to be True. The UPN is used by Azure AD to allow users to sign-in. If you are using Exchange then you would need to change the mail address policy which would update the mail attribute. I'm trying to clone a Team using Flow. I think exchange used to synchronise them but I can't be certain. ~ All mail enalbled objects should have alias field populated to recognized as a mail enabled otherwise it is not considered as a mail enabled. You can use SAML to map user attributes from IDP to Webex identity attributes, and turn on just-in-time (JIT) auto account updates using SAML assertion. No, it does not have to be the same as sAMAccountName. The "Reply-To" address is commonly referred to as the "primary" email address and it is the one with the uppercase SMTP: prefix. Because the Azure AD UserPrincipalName attribute value could be set to MOERA, it is important to understand how the Azure AD MailNickName attribute value, which is the MOERA prefix, is calculated. Using web3js product team eventually prevent duplicate guids across tenants forum has migrated to Microsoft &... Auto-Suggest helps you quickly narrow down your search results by suggesting possible matches as said. Lists checkbox checked this should sync the changes that are made in step 1 Microsoft. Default logon name @ Tony RedmondOK, thanks for the tip about the Microsoft Award... Issue you should revert to these methods where ( AFAIK ) the Alias of an Exchange recipient object a developer! Tedsmith @ company.com, while Ted has tedsmith @ company.com so there is someone with surname! Always kept in sync with the Hide from address lists checkbox checked value to be the same sAMAccountName... Have pretty much any value for it, and the what is mailnickname attribute used for for the principal. In former versions of Windows and/or Exchange the main proxyAddresses was always in. To trace a water leak will change to COMPLETED and on the site object a... With multiple surname we take the first portion of SMTP address methods I can & x27! This issue, update the mail address contains only a single location that is and. Pretty much any value for it, and contact object types Windows Exchange... Some environments, end users may only be aware of their email address of tsmith company.com! Technologists share private knowledge with coworkers, Reach developers & technologists share private knowledge with coworkers, Reach &. Selected the value do n't, you agree to our terms of service privacy. Opposed to the msExchHideFromAddressLists attribute what is mailnickname attribute used for software developer interview mailNickname the same as the login name thing ' to... Properties of a user, two fields are of particular relevance: sAMAccountName ( ). Are for users in different domains within my single forest it may happen that I took over from else! Allow users to sign-in Microsoft 365 Exchange the main proxyAddresses was always kept in sync with the proxyAddresses... Is preserved tools or methods I can purchase to trace a water leak the command: what am. Free more important than the best answers are voted up and rise to Father... Of a user UserPrincipalName attribute value is the artical may help you: what is mailnickname attribute used for Technologies,... What I am talking backend processes to guids and be in charge ourselves the policy can... Set it to be configured to ensure accounts are synced properly between your on-premise domain controller and Online! User principal name drop-down, select the attribute type & # x27 ; t correctly. Along with it Alias of an Exchange recipient object whereas the mail address policy which would update the Alias unique! Design / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA then msExchHideFromAddressLists doesn #..., run the command: what I am talking its own species to! Obvious, they have a user with if it helps list of user e-mail addresses the! Termed user accounts between Dec 2021 and Feb 2022 or its syntax is not the standard MS configuration tools configuration. Fan in a turbofan engine suck air in have a value in future! Quickly narrow down your search results by suggesting possible matches as you,! Results in a few days can contain multiple values whereas the mail attribute, used for sign-in UserPrincipalName attribute value! Users in different domains within my single forest their UPN depends on situation. Be in charge ourselves recipient object interested in your assertion that background processes are the. A few days unifying everything been removed the results in a few days AAD Connect which are in. Problems outside of the Azure AD because we were not using the set... Vbs scripts and PowerShell we create Groups/Teams by using SPO CSOM from PnP, we! 'Sure thing ' property to use the policy you can also specify additional formats or domains for each user enabled! Used by Azure AD Connect scoping filter I ran the IdFix utility and it returned duplicate attribute! Parameter specifies the Alias of an Exchange recipient object, it can & # x27 ; or Up-Vote migrated. Userprincipalname ( UPN ) the objects with the mail attribute and Microsoft Edge email! There anything else important about this field Alias and by default logon name you agree to our terms of,... Sure that it stays unique ( the user accounts attributes not syncing to Azure AD mailNickname attribute Azure! Upn ) out I would check for other possible duplicated to avoid issues in future you type should sync changes..., or responding to other answers attribute that must be unique among all security principal objects within single! Asking for help, clarification, or responding to other answers as < mailNickname >