After upgrade SCVMM 2012SP1 to 2012R2 Library Server became unavailable. All library sources with status "missing".
In VMM Console (Fabric - Servers - Infrastructure) VMM Server and Library Server agent status "access denied".
Tryed to remove and add Library Server: Error 24363 VMM agent needs to be reassociated.
Reassociating with different credentials (local and domain) goes fine, but agent status still "access denied".
By the way, after upgrade SCVMM no new events in windows eventlog.
How to repair work of VMM Agent on VMM Server?