Backup of a specific agent fails with the following error or similar:
A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.
On the agent, the ApprecoveryPM.log file show the following events before the jobs fails:
INFO 2021-09-21T10:45:31 [12] - Replay.Agent.Implementation.Transfer.TransferDataServer (RequestUri=https://AgentName:8006/apprecovery/api/agent/transfer/snapshots ClientAddress=IP:57224 Service=Replay.Agent.Management.Transfer.TransferManagement Method=TakeSnapshot)
Listening on tcp://0.0.0.0:8009/
INFO 2021-09-21T10:55:31 [70] - Replay.Agent.Implementation.Transfer.TransferSessionBase ()
Transfer 38bba298-c9dd-4e9b-8ffb-ac6c72bcfe0d initiated 9/21/2021 3:45:31 PM has been idle for 00:10:00.0130936, which is beyond the specified transfer timeout of 00:10:00; this transfer will be abandoned