Immutableid Apr 15, 2021 · Before moving Lidia under scope for synchronization, we need to generate the ImmutableId and write it to AAD; it’s important to do this prior to scoping the user object for sync, otherwise it will just be created as a new user in AAD. Why do we need to configure the immutable ID? When a user object is replicated or migrated using ADMT from old domain… May 17, 2023 · Here we are already using Prefer: IdType="ImmutableId" concept for email sending and other email based functionalities. Oct 15, 2024 · Run the Get-ImmutableID. The ImmutableID shows the hybrid system which on-prem account belongs to which Azure AD user account, technically what account is the mirror in the cloud of the on-prem synced Jul 19, 2023 · To set the ImmutableId: Connect-MgGraph -Scopes User. Please "Accept the answer" if the information helped you. In our example, the migrated user Smith, has an ObjectID of : While his ms-DS-ConsistencyGuid (copied from FORESTROOT) looks like: Feb 5, 2016 · Here's a small Friday afternoon snippet of useful information for all you Office 365/Identity nerds out there. I understand we have to move each Azure user/group from Federated domain to Managed domain before we can change the ImmutableID, and then we can clear or reset on move back to the Federated Run this command Set‐MsolUser ‐UserPrincipalName User@domain‐ ImmutableId ObjectGUID from Export (Make sure to replace the user@domain. How to check if AD object is synchronized properly. Please check following details :- The ImmutableID is editable without a doubt. NOTE: Soft match is the process used to link an object being synced from on-premises for the first time with one that already exists in the cloud (Azure AD). com however this site Hi, I’ve been going back and forth with MS support and struggling with the ability to move an account from one domain within our forest to another and re-attach the office 365 identity to the new AD object. Update-ImmutableIDAzureAD -SAMAccount username -UserPrincipalName user@domain. Matching Immutable IDs Between Azure AD and On-Premises AD Accounts Introduction and Purpose When managing users across both on-premises Active Directory (AD) and Azure Active Directory (AAD), it's essential to maintain consistency between the two environments. Connect-MSOLService Get-MsolUser -UserPrincipalName user@domain. Connect to O365 and substitute the username for the user required: Get-MsolUser -UserPrincipalName "username@domain. If the ImmutableID is populated and needs to be changed, you would select "Update". So, in Nov 12, 2025 · ImmutableID = sourceAnchor: sourceAnchor is then used as the ImmutableID in Microsoft Entra ID/Microsoft 365. Aug 6, 2020 · Before we can run first sync from AAD Connect we need to change the Azure ImmutableID for approx. When you use the Microsoft Entra ID Provisioning Service to synchronize users from Microsoft Entra ID to SafeNet Trusted Access (STA), the immutable ID must be set on all users. Example # Update an Immutable ID to an Azure AD User. Normally source anchor values are GUIDs. com . Jul 11, 2025 · I am trying to set the value of users "On-premises immutable ID" in O365/Entra to $null in bulk. Points to Remember: Always check the user’s OnPremisesSyncEnabled status before attempting to clear the Immutable ID. co. Feb 20, 2021 · The nature of this match was discussed here in detail in another blog post: The ImmutableID Match in AADC environments. in | select ImmutableId Please let me know if there is some other way to set the immutable id to null? Jun 20, 2024 · A short article on how to use the Graph API methods or the corresponding Graph SDK for PowerShell cmdlets to hard-match on-premises user object against their Entra ID counterparts. Other "interesting" behavior is that Get-MgUser -UserId "<user id>" | Select-Object OnPremisesImmutableId,UserPrincipalName gives empty OnPremisesImmutableId field, but I can see it on the azure portal, and when I Get Immutable ID of AD object Convert ObjectGUID (on-premise object) to ImmutableID (in cloud object). ps1 PowerShell script to export the on-premises users with their on-premises Immutable ID from the CSV file you created earlier I need to re-sync my on premise users with Office 365 having migrated from an old domain to a new. PowerShell 0 – Install necessary PowerShell Modules, if needed. I Feb 21, 2019 · This article expains how to check which attribute is used as the source anchor for the synchronization between Active Directory and Azure Active Directory. But this problem is generated when searching email only. These have to be changed to “in cloud” in order to correct and the only way to do that is kill sync on the Azure side. You can use online resources such as https://guid-convert. Aug 25, 2021 · There are many reasons why you may need this value and in my case its for Okta. You can confirm it by running command "Get-AzureADUser -ObjectId "UPN of user object" | fl" Let me know if you have any further questions. Use Microsoft Graph, not legacy MSOL commands. Always put Entra Connect in staging mode before making identity corrections. So as AADSync was replaced by AD Connect, I got emails about the configuration of the mD-DS-ConsistencyGuid configuration in AD Connect not correctly working anymore. Script the user object will have a new ImmutableID value based on its ObjectGUID, here's a quick summ-up how it works out: the user object in OnPRem AD is soft-matched with the object in Azure AD. . Mar 5, 2024 · Here's a general approach to ensure the message ID remains the same: Include the Prefer: IdType="ImmutableId" header in the initial API request when creating or getting the message. Jul 16, 2025 · ImmutableID is the glue between on-prem AD and Microsoft 365. Mar 10, 2022 · Tagged ACTIVEDIRECTORY, Azure AD, Azure AD Connect, ImmutableID, MultiForest ← when Azure subscriptions make sense LDAP Proxy for old stuff → Nov 25, 2023 · Run command "Set-AzureADUser -ObjectId "UPN of user object" -ImmutableId null" Above command will change the immutable ID value to Null. If you have converted an AAD user from 'Synced with Active Directory' to 'In Cloud' and you want to sync a new user object with that user, you will need to clear the ImmutableID and then match it up… Immutable ID with change notifications You can request that Microsoft Graph send immutable IDs in change notifications by including the Prefer: IdType="ImmutableId" header when creating a subscription. com with the UPN of the cloud user) Move the Cloud account into deleted users again. In a new series of posts we will be looking at the influence of the ImmutableID and Cross-Forest Anchor (name given by me, not sure if it is the actual name for it) in an ADMT cross-forest migration scenario. What is the ImmutableID property? In this lab we take a look at the special ImmutableID property of the Microsoft Online user accounts. By definition, “immutable” means “unable to be changed” which should be sufficient warning that this is something you need to take time to plan properly. Existing subscriptions created without the header continues to use the default ID format. com" | Select-Object ImmutableID Feb 8, 2021 · In one of my older posts, I explained the great importance of the ImmutableID attribute for the AADC sync: The ImmutableID Match in AADC environments. In spite of your planning, your organization could become involved in […] Mar 5, 2020 · Blog article about the ImmutableID match in AADC environments. Soft match will first be attempted using the PowerShell is a cross-platform (Windows, Linux, and macOS) automation tool and configuration framework optimized for dealing with structured data (e. i've tried all kinds of things by now, simply deleting the user and restoring it, which used to Aug 2, 2023 · It seems like I'm constantly need to convert immutable IDs and GUIDs as part of my M365 migrations. g. com -ChangeType Add . I recently removed users from the sync location on the AD Server and Here is the command I’ve tried using Set-MsolUser -userprincipalname <user upn> -ImmutableID <“correctId”> However when I run it I get the following error “Set-MsolUser: Unable to update parameter. The only thing that will happen if you disable the sync is that all the accounts will turn to “in cloud”. This ensures that the ImmutableID claim generated by ADFS is consistent with the sourceAnchor values exported to Microsoft Entra ID. So you store source anchor values in attributes like ImmutableID, objectGUID, or particularly in mS-DS-ConsistencyGUID. immutableID is calculated based on msds-consistencyGuid in on premise AD. Microsoft Entra ID uses an attribute named immutableId to identify users and their virtual server (tenant) in the Microsoft Entra ID infrastructure. Move the AD account back to a syncing OU. We would like to show you a description here but the site won’t allow us. The Azure AD account was created independently, and now needs to be linked to an on-premises AD account. In the past you could clear the ImmutableID by moving the AD object to a non-synced OU > restore the soft deleted cloud object > change to unfederated domain (contoso. How does the hybrid O365/AzureAD sync from local AD to the cloud matches the accounts? Nov 7, 2024 · Use immutable identifiers (IDs) to enable your Outlook application to obtain an ID that doesn't change for the lifetime of the item. On that application , ImmutableId is in use. So you learned that in the ImmutableID property, the hybrid sync stores a value from the on-premises AD object to ensure the match between the local object and the cloud […] Nov 9, 2019 · The ImmutableID is the default key linking objects between your on-premise Active Directory and Office 365. Oct 25, 2021 · Hi all Today i successfully migrated our pilot group to Azure with Azure AD Connect. This ImmutableID is a permanent, unchangeable identifier that ensures the user's identity remains consistent across both on-premises and cloud environments. May 10, 2024 · The concept of immutable IDs in the Microsoft Graph API revolutionizes how developers interact with email data, offering a stable and consistent method for identifying emails across different Jun 8, 2017 · Soft (SMTP) vs. With this feature, Microsoft Graph will provide an identifier in the id property that will not change over the lifetime of the item, so long as the item stays in the same mailbox. JSON, CSV, XML, etc. This property is used when we synchronize on-prem AD accounts to the cloud. ReadWrite. Use the same header when sending the message. 2000 objects to match the on-prem values for hard match. Now if you have to convert a Sync with AD User to an In Cloud User by moving that user to Non-Syncing Organizational This article will help solve the issue of the ImmutableID not populating for users in O365 and creating issues with federated SSO. Set-MsolUser -UserPrincipalName <upn> -ImmutableId "" For customers with users deployed on Microsoft 365 as cloud only, users (without any Active Directory instances installed) will need to manually create the Immutable ID for the users which is used as the Source Anchor that Microsoft uses to authenticate the user. com, like in Office 365 by using Powershell May 7, 2020 · The presence of the ImmutableID value present shows a link to an on-premises active directory user account who may or may not have a mailbox at On-Premise Exchange Server. If the ImmutableID is empty then you would select "Add". The Immutable ID is a unique identifier that ensures a user’s cloud identity (in AAD) matches their on-premises identity (in AD Aug 28, 2025 · This script clears the ImmutableId for all users with a non-null value, while skipping those still synced from on-premises. Once that happens, you just have to be prepared to If you have a broken ImmutableID or. The resulting ImmutableID will display in the Output box You can hightlight the result or use the copy button to copy the result to paste elsewhere Converting to ObjectGUID: Input in the ImmuntableID into the Input box Press the ToGUID button The resulting ObjectGUID, in its standard and hex format, will display in the Output boxes Jan 25, 2019 · My posts on the ImmutableID seem to continue attraction from all over the world, and thus, let’s continue the fun. They are working fine. As well we have also outlook add-in integrated to outlook email client. tld | select May 22, 2025 · Hi, when I update the OnPremisesImmutableId with Update-MgUser -UserId "<user id>" -OnPremisesImmutableId '<base64 coded id>' if it contains '/', that character doesn't stored. Hard (immutableID) matching with Azure AD Connect If you are setting up Directory Synchronization from scratch (there are no users in the cloud yet), then Azure AD Connect will be pretty straightforward–the on-premises objects (and passwords if you choose that option) will be synchronized to the cloud, and you can assign Jul 6, 2019 · When do we need to do hard matching? During a migration of users (which already in Office 365) from old domain (AD) to a new domain (AD), and from old AADC to a new AADC. All Update-MgUser -UserId gw17edwardlt501edwar@<managed domain> -OnPremisesImmutableId f33fc1d2-73bd-4957-995f-37c83d349ef3 Apr 1, 2019 · The last command will be used to write the ImmutableId to the AAD / Office 365 user: Get-MsolUser -UserPrincipalName $userUPN | Set-MsolUser -ImmutableId $immutableId Ok so I was able to obtain the ImmutableID and after placing all related accounts in a non-syncing OU and a soft delete status I was able to restore the one cloud account and set the ImmutableID. If that user is syncing to office 365, the Immutable ID value would definitely be present in the cloud. Feb 16, 2021 · Hi, I have a CSV file that contains ImmutableID and UPN with the following headers for all user to be sync to Azure AD: UserPrincipalName ImmutableID How can I set all user to use the CSV to update into the cloud? Aug 27, 2022 · The Issue We want to get a user’s immutable identifiers We want to set or change immutable identifier for a user The Fix 0 Connect to Exchange online via powershell first Refer to below guides How to: Connect PowerShell to Office 365 Exchange with Multi-factor authentication (MFA) enabled How to Fix Connect-MsolService command does not […] Feb 14, 2018 · This tool will help you convert Object GUID from your Active Directory to the corresponding ImmutableID in Azure Active Directory. Dec 28, 2023 · Hi if you want migrate dirsync to entra connect you don’t need to cleanup immutableID. kb. Keying off the objectGUID in AD, we calculate and write the value for ImmutableId in AAD. and updating [immutableid] in user object using Azure AD module is the only way I could find, but Azure AD module cannot be run in Windows 2022 server. To do this I can match up the on premise ImmutableId with the cloud account. Again, include the header when moving the message to another folder. May 12, 2025 · How to update the User ImmutableID in Azure AD to match the correct ID on tenant domain, Plz suggesnt Jun 16, 2016 · The good thing about new software is that bugs and ‘features’ are removed. I had initial difficulties with the immutable ID of Office 365 and found a solution from MS for the hard match. Nov 22, 2024 · Azure AD Connect currently uses objectGUID for synchronization. . Since the value of msds-consistencyGUid will not be modified during the upgrade to entra connect , you don’t need to cleanup immutableID and the hard match will be able to relink entra ID account with on premise AD account. The corresponding attribute in AD which is used as SourceAnchor is either the objectGUID, mS-DS-ConsistenceyGuid or msDS-SourceAnchor (requires Windows Server 2016 schema update). How to easily convert ImmutableId to ObjectId and the otherway around with PowerShell. This key is generated by converting the on-premise objectGUID into a Base64 encoded string. PowerShell includes a command-line shell, object-oriented scripting language, and a set of tools for executing scripts/cmdlets and managing modules. My issue is, that the AD Users are already existing in Office 365, so i firstly cleaned my AD and also prepared all accounts with the correct domainname . Install-Module MSOnline Import-Module MSOnline 1 – Get User Immutable ID from Azure. You want to rematch On-Prem ADUser with MSOnline-user, you can change the ImmutableID for directory synchronized user by Jun 29, 2023 · Morning all! I'm trying to create an Azure user via Graph and we are federated so an immutableID is required. Example # Add an Immutable ID to an Azure AD User. Hello, i'm trying to clear the immutableID of some users which have been left over as synced with a retired domain, which used to be clear the immutableID and it would convert it to cloud only, but now it seems the minimum character limit for the value is 1, which means i can't clear it anymore. Aug 21, 2020 · 1. appspot. Mar 15, 2017 · Get-MsolUser -UserPrincipalName edwardlt501edwar@KT2. There are various scenarios where you will need to convert an objectGUID to an ImmutableID or vice-versa. Jan 27, 2019 · If ms-DS-ConsistencyGuid was not populated yet (because it was a brand new user), or another attribute that is excluded from ADMT is used as the ImmutableID, the new Azure AD Connect will create a new ImmutableID. To simplify this I finally got around to May 27, 2022 · Azure AD stores the immutableID value as Base64 and AD stores them in Hex: If we convert the value, you can see the Hex value from our newly created AD account matches the ImmutableID in the previous screenshot for the Azure AD account. Sep 14, 2018 · In the coming weeks, we're rolling out a new feature designed to make it easier to work with Outlook item IDs: Immutable ID. ), REST APIs, and object models. To find out if the ImmutableID is set to a deleted user (most of the times the ImmutableID will be already set to a deleted user and the above command won’t return any results), execute the followin command: Sep 12, 2018 · The thing about ImmutableID is that its encoded as a Base64 string that looks something like this 2bRnBQ6D80uTz6T14srMPw==. Jun 13, 2021 · Steps: For cloud user, set null value to immutableId attribute by running below command and remove user object out of synch scope ( out of sync OU (Organization Unit)) from On-premises then wait for next delta sync to complet/run sync manually. Apr 1, 2015 · As part of planning for your identity with Office 365, it’s important to understand the concept of the “ImmutableID”. I understand how to do this but my question is how do I generate an immutableID that I can send to graph when creating the user? Folks say… Mar 27, 2020 · When soft matching provides a match, hard matching is established at the first synchronization cycle by setting the immutableID attribute for the Azure AD user object, based on the source anchor configuration. Jul 2, 2025 · Set Immutable ID (onPremisesImmutableId) in Entra ID via Microsoft Graph PowerShell Apr 9, 2025 · If you're using Microsoft Entra Connect to manage on-premises AD FS deployment, the Microsoft Entra Connect automatically updates the claim rules to use the same AD attribute as sourceAnchor. the bad is that sometimes what ever you have blogged about makes either no sense, or even worse it only applies half to it from that point on. The reason why you can’t edit it is because it’s “synced”. onmicrosoft. I left the AD account in a non-syncing OU as I don't really need it, I just want the cloud shared mailbox.