"VCF Instance Cloud Proxy Registration validation failed"."Failed to create AI resource. Resource with same key already exists".This issue occurs because the VCF Instance adapter in VCF Operations is not correctly associated with a functional Unified Cloud Proxy. During the 9.1 upgrade, SDDC Manager validates that the VCF instance is correctly registered through a Cloud Proxy. If the integration is missing, stale, or pointing to an incorrect collector group, the validation fails. The "same key" error indicates a conflict with a pre-existing, stale integration entry in the database.
To resolve this issue, you must manually update the VCF adapter integrations to point to the correct Cloud Proxy: