Microsoft Entra ID
TroubleshootingTshoot Connect Sync Errors
In brief
The troubleshooting documentation now directs administrators to the Hard match scenarios and recovery paths when DataValidationFailed occurs during a hard match operation, while retaining guidance to validate userPrincipalName characters and format.
What Entra admins need to know
Administrators have clearer recovery guidance for this synchronization error.
This editorial summary was generated by AI from the documentation changes. Verify important details in the full Microsoft Learn article.
Documentation change
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Fix the IdentityDataValidationFailed and DataValidationFailed errors
Ensure that the userPrincipalName attribute has supported characters and the required format. If the DataValidationFailed error occurs during a hard match operation, use one of the Hard match scenarios and recovery paths described in Configure Microsoft Entra Connect for an existing tenantConfigure Microsoft Entra Connect for an existing tenant
Related article
@@ -288,7 +288,7 @@ The result of the preceding scenarios is an IdentityDataValidationFailed or Data #### Fix the IdentityDataValidationFailed and DataValidationFailed errors -Ensure that the **userPrincipalName** attribute has supported characters and the required format. If the **DataValidationFailed** error occurs during a hard match operation, use one of the **Hard match scenarios and recovery paths** described in [Configure Microsoft Entra Connect for an existing tenant](https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/how-to-connect-install-existing-tenant#hard-match-scenarios-and-recovery-paths)+Ensure that the **userPrincipalName** attribute has supported characters and the required format. If the **DataValidationFailed** error occurs during a hard match operation, use one of the **Hard match scenarios and recovery paths** described in [Configure Microsoft Entra Connect for an existing tenant](https://learn.microsoft.com/entra/identity/hybrid/connect/how-to-connect-install-existing-tenant#hard-match-scenarios-and-recovery-paths) #### Related article