Error is generated on the Core, when trying to perform an agentless snapshot:
Exception chain: Unexpected end of file. Call to service method http://<vcenter>:8016/apprecovery/api/vmwareproxy/vddk/prepareforaccess/<vm_name> POST failed: Invalid Response. Error occurred during execution of a VDDK's method call, please check VmwareProxy service One or more errors occurred.
Domain Group Policy has been recently changed.
Issue is caused by inability of the Core to communicate with vCenter/ESXi because one of the parties is having FIPS enforced.
Checking ApprecoveryVM.log shows entries with:
This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.
To resolve the issue, please make sure that both communicating parties, Core and VMware product are either FIPS-compliant or not using FIPS.
Please consult this Microsoft KB article for more information:
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