https://userapps.support.sap.com/sap/support/knowledge/en/2277508
2277508 - SuccessFactors Cloud Manual Instance Refresh Process & FAQ
Important: The Manual I nstance Refresh request should be used when scheduling BizX refreshes only if your instances do not qualify for the Instance Refresh...
refresh processsuccessfactorscloudmanualinstance
https://userapps.support.sap.com/sap/support/knowledge/en/3682896
3682896 - 1H2026 - IRT Validation Failed with error "Unable to process the refresh request due to a...
Post-1H 2026 Production release, requests for instance refreshes from Preview (source) to Production (target) are getting the status "Validation Failed" with...