Forum Discussion
Azure AD Connect -- Attribute Value Must Be Unique
-- Updating from my previous message --
I managed to get syncing attempts happening by removing the group filter.
As my test group, I made a special OU for the test user and am applying the sync only to this OU.
I am now a bit further, but stumped again.
Both AD accounts and AAD accounts are pre-existing:
AD Account: mailto:j.smith@domain.com (actually a .local account, but UPN added to AD)
AAD Account: mailto:john.smith@domain.com
When the sync happens, I am getting "Error: Attribute Value Must Be Unique"
Looking deeper at the error, it is mentioning the error is in relation to the ProxyAddress.
I have already defined the following in AD for the j.smith user:
email (General Tab): mailto:john.smith@domain.com
Proxy Address (Attribute Editor): SMTP:john.smith@domain.com
this does not seem to help though. I have tested also by removing Proxy Address and still no go.
any thoughts?
2 Replies
I had the same issue. My scenario is:
Account Name in local directory: John Miller
UPN: mailto:Email address removed and
mail: mailto:Email address removed
I synched the object with the attribute mail because I won't the user's use the mail how to login for different services.
When I synched an Object that already was in AAD, I obtain the same error: Error: Attribute Value Must Be Unique
I tried to put in the local directory the attribute mail and the acttribute proxy and than I synched again but first I deleted the new object created in the AAD. Remember to erase the object also in the deleted users in AAD.
Fixed this item.
The issue was the test account (my account) was a Global Admin in AzureAD. I needed to demote the account to user account first, make the sync, and then re-enable global admin for my account.
