SAP Knowledge Base Article - Public

3098958 - "The User Name already exist" error when performing manage pending hires


When performing manage pending hires (onboarding) is noted that error "The User Name already exist. Please enter a new unique value" is displayed instead of a duplicate check n order to match current candidate with pre-day 1 account.


SAP SuccessFactors Onboarding

Reproducing the Issue

  1. Go to Manage Pending Hires (Onboarding)
  2. Select Candidate
  3. Click Continue after National id session

Results: "The User Name already exist. Please enter a new unique value"

Expected: Duplicate check should appear in order to match candidate to the pre-day 1 account.


If same person ID is used from the pre-day 1 and candidate then feature should be enabled in Provisioning.


Please contact your Implementation Partner or Professional Services team to enable following feature: 

  • "Use the Same User ID for Pre-day1 User and the Employee"

See Also



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