3030889 - Reset password for IAS fails: "Identifier xxx@xx.xx not unique"

• You're unable to logon into IAS
• "Forgot Password?" option is not working for IAS and in the Troubleshooting Logs you find the following error:
  "Identifier xxx@xx.xx not unique" 
  
  (for instance, trying to logon with e-mail, you get error error message= Identifier mail@domain.com not unique)

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

Identifier, not unique, IAS, Identity Authentication, password reset , KBA , BC-IAM-IDS , Identity Authentication Service , Problem