Cannot add or manage a user with user ID <UserID>. User IDs must be unique within a deployment. This user ID is already in use in RSA Authentication Manager

[#1]

Article Number

000017718

Applies To

RSA Product Set: SecurID
RSA Product/Service Type: Authentication Manager
RSA Version/Condition: 8.x

Issue

It is not recommended to have duplicate users in any version of RSA Authentication Manager. There are some cases where administrators have same the user ID on multiple identity sources. Again this is not recommended and, if this is not intentional, please search other solutions regarding un-resolvable users and principal ID already in use error.

However, if duplicate user IDs are intentional and you are getting the following error, you can resolve your issue using the solution below.
 

Cannot add or manage a user with user ID <UserID>. User IDs must be unique within a deployment. This user ID is already in use." while taking any actions such as assigning tokens, adding groups, permissions etc to a user id with duplicate userid in realm,

Resolution

1. Log in to the Security Console.
2. Click Setup > System Settings.
3. Click Security Console Authentication Methods under Console and Session Settings.
4. Check the option for Non-Unique User IDs to allow identical User IDs may exist in more than one identity source/
5. Click Save.