Many people are running Exchange Online and Office 365 running with Synced usernames and password from the On-Premise Active Directory, it works well most of the time but we discovered a problem when we had to rename a user, although they were renamed in our AD and the 0365 Portal details reflected the updated name, their O365 username remained unchanged. I use parameter substitution and the –f format specifier to concatenate the user principal name. Because I had to change thousands of users, I created a PowerShell script which does it for me. Set-MsolUserPrincipalName : Access Denied, Powershell script to ping a list of servers or IP Addresses, Checking Exchange GUID while migrating mailbox Exchange to Office365, Google Analytics for Tracking Traffic to your Site, Room Mailbox office365 powershell commands, Reset AD password force change for access denied issues, Add dLMemSubmitPerms powershell restrict users via AD Group to send emails to Email group, Add Authorig powershell restrict users to send emails to Email group, Get Samaccountname from DisplayName using powershell active Directory, Get-DistributionGroup managed by export-csv – Powershell, Making a Security Group using Distribution group members in Powershell, Message Trace Office365 emails tracing Exchange online, Restrict a Distribution List to internal users only, Clear 2 All Blog is for everyone for technical articles. On the UPD suffix add the domain UPN you would like to use. To do that, open PowerShell ISE with … Set-User -UserPrincipalName test01@test.local -Identity test01. Select the required UPN Suffix and click OK. I search for powershell command, but I doesn't find anything. 4) Change the UPN using Set-MsolUserPrincipalName. This manual process can be used for speeding up the change or making the change if sync is unsuccessful. If you are using Global Administrator account on Office365, you should have permission to update user properties. All 3 are using canitpro.local as the UPN suffix. $oldSuffix = 'myolddomain.local' $newSuffix = 'newdomain.local' Import-CSV .\List.csv | ForEach-Object { $usr = get-aduser $_.loginid |Select userprincipalname, samaccountname $newUpn = $usr.UserPrincipalName.Replace ($oldSuffix,$newSuffix) Set-ADUser -identity $usr.samaccountname -UserPrincipalName $newUpn … If you are syncing from your on-premise AD then updating the UPN in Azure using powershell is going to get overwritten the next time that your sync process runs but in a situation where its changed to correct value then it will just be replaced by same value. PowerShell. On the next menu make sure that every SMTP suffix used in your environment is included in the list of Alternative UPN suffixes; If any SMTP domains are missing from the list add them and click OK; Run the following command in the Exchange Management Shell to change the UPNs to match users email addresses: This article will show you how to change a User UPN for a single user and for multiple users using Windows PowerShell. In the below screenshot you can see my user before. You can see the result below. Open Active Directory Users and Computers snap-in or run dsa.msc. You can also change the UPN directly in O365, without changing it On-Prem. UserPrincipalName – this should be present UPN as shown in office 365. The next time the sync process occurs, the updated info will go up to Azure. Below is the set-msoluserprincipalname powershell command which is used to change the UserPrincipalName. Powershell Script, UPN, Bulk UPN Change, Change UPN. One of the requirements for a recent Office 365 migration project was to convert all user’s UPNs to match their primary SMTP email address. Locate the user and Right-click on the user account. the code below, takes the old and new UPNs and store them in variables and replace the UPNs. Set-MsolUserPrincipalName -UserPrincipalName "[email protected]" -NewUserPrincipalName "[email protected]", Get-MsolUser -UserPrincipalName [email protected] | Set-MsolUserPrincipalName -NewUserPrincipalName [email protected], Use below command to check the change is successful. Changes to UPN values are not replicated by default as the technical implications can create issues for end-users. Get-MSOLUser -SearchString "Test Username" | fl. command should be set-aduser and not set-user. How can I change the SamAccountName in Azure AD. To create the UPN, I use a hardcoded domain name, and I get the user’s name from the Name attribute. Thanks "EmailAddress" Write-Host "Changing UPN value from: "$upn" to: " $newupn -ForegroundColor Yellow Set-AzureADUser -ObjectId $upn -UserPrincipalName … The following steps will add an alternative UPN suffix in AD with PowerShell. The column "UserPrincipalName" remains empty. We use cookies to ensure that we give you the best experience on our website. If you do change the UPN attribute, you could try creating a new Exchange contact with the old UPN and configuring a forwarder to the new UPN. One of the common issue experienced during this manual process is the “Access Denied” error message. Now that we have noted the current Signin and UPN details of the users, we can go ahead and change it to match what is not in Active Directory. PowerShell. Category: Exchange, Office 365, Windows IT | Tags: connect-msolservice, Exchange, Exchange 2010, office 365, office 365 change username, powershell, set-msoluserprincipalname, Set-MsolUserPrincipalName : Access Denied Vamshi B June 9, 2017 @ 7:40 pm, « Powershell script to ping a list of servers or IP AddressesChecking Exchange GUID while migrating mailbox Exchange to Office365 ». Run the commands one by one. Import-Csv 'C:\Office365Users.csv' | ForEach-Object { $upn = $_. So, I had to change the UPN suffixes for all users to the public domain name. 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The script does a few checks before it actually tries to update the UPN: So it's possible to have this, but how can I change it in Azure AD. The command doesn't seem to give me the right output. Add UPN in Active Directory with PowerShell. The Command to check full properties list of a user is below where Test Username is the name of the user. Script which filter out users from specific Sub-OU’s and changes UPN address. "UserPrincipalName" $newupn = $_. PS> Set-AzureADUser -ObjectId “user@currentUPN.com” -UserPrincipalName “user@tenantname.onmicrosoft.com” Download the scripts here: Update-msolUpn.ps1 Powershell: Open Active Directory Domains and Trusts. Please reload the page and try again. This error message is little misleading where most of the time its to say that we are searching for an non-existent UPN name in the ‘-UserPrincipalName’ parameter. To make sure changes will apply to correct users, add -WhatIf switch at the end of Set-ADUser command. You can also do a bulk change using a text file with usernames. In case the UPN change does not get reflected in O365 (happens sometimes), then you can use the cmdlet. example.local instead of example.com). For changing UserprincipalName on Office365 using powershell first we need to connect to MSOLService using below command. 3) Filter all the users ending with .onmicrosoft.com as their UPN. Hi Jrv, Thanks for the fast reply. The … If I have understood the question correctly then by updating the UPN of the user in question on your on-prem domain controllers should fix the issue. This command updates the specified user's property. To change the UPN, Open PowerShell from the D omain Controller (use run as administrator) and type the cmdlet below. Change UPN Method 1: Execute the command to change the UPN of the target user to unfederated or o365 default domain and then change it back to the required UPN. Some of my user have been migrated from and Old Exchange server and the whoami command gave me the domain\firstname.lastename. Run PowerShell as administrator. But as the on-premises AD is the source of authority, you risk the change getting overwritten at some point (when a Full sync cycle is invoked). With -WhatIf, PowerShell will run your command in its entirety without executing the actions of the command so no changes occur. The alternative UPN suffix is added successfully. Set-MsolUserPrincipalName -UserPrincipalName "Firstname.lastname@Test.com" -NewUserPrincipalName "NewFirstname.lastname@Test.com". So if you in need of changing those users Sign-in / UPN names, you can do that very easily with PowerShell. Click on Properties and navigate to the Account tab. Change UPN Globally in Powershell for All Users #This is the old upn $oldSuffix = 'notbadtech.sg' #This is the new upn that you want to use $newSuffix = 'notbad.tech' #This will import the csv and loop through each object - for each object it will get the upn and samaccountname Import-CSV C:\Temp\ChangeUPN.csv | ForEach-Object { $usr = get-aduser $_.loginid |Select userprincipalname, samaccountname #This will then replace the old upn with the new upn …