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Why is user profile synchronization service not starting?
I am trying to start the User Profile Synchronization Service on Sharepoint 2013 Enterprise on premises with no luck. In the log there is the error below. Do you know what the problem could be?
Change the logon user of the above two services to user profile synchronization user Go to SharePoint Central Administration and then go to Application Management and then go to Manage Service Application Click the User Profile Service Application section and go to permission and add the user profile synchronization user.
User profile synchronization service not starting in SharePoint 2013 was a mess and it took me more than two hours to figure out that why i was not able to start the user profile synchronization service for Microsoft SharePoint 2013. This service is required to get the users from Active Directory and other sources.
How to remove the user profile service application?
go back into Central Administration > Application Management > Manage Service Applications and delete the User Profile Service Application. Restart your server and set up the User Profile Service Application again. You don’t need to delete UPS application after running that script.
How to start SharePoint user profile sync service?
Before you decide to start the SharePoint User Profile Synchronization Service, you should first do the following: Add the farm account to the Local Administrator group. Add the User Profile Sync Service account to the Farm Administrator group. Make sure that the User Profile Sync Service is not starting on other servers.
This ensures that every SharePoint service that is currently running as the farm account is using the latest credentials. Central Administration > Security > Manage the farm administrator Group. User Profile Sync Service account to Farm Administrator group.
Can a synchronization service be performed on a database?
Exception: The operation cannot be performed on database because it is involved in a database mirroring session or an availability group. Some operations are not allowed on a database that is participating in a database mirroring session or in an availability group.