ESMC warning logs

[Adam823 0]

Hello,

We have been updated our ERA server to ESMC on our Windows Server. The remote management is working fine, it seems all of our clients communicate with the ESMC sevrer, we can see the statuses of the clients and we can run remote install jobs on them too. However in the ESMC logs we got the following type of error messages repeatedly:

Quote

2020-11-07 16:26:38 Error: NetworkModule [Thread 1c4]: Error code:121;The semaphore timeout period has expired; SessionId:364
2020-11-07 16:32:36 Warning: NetworkModule [Thread 1c4]: The connection will be closed due to timeout. SessionId:359 Ip address: ip.address Port: 50454 Resolved name: resolved.addr

2020-11-08 07:45:37 Warning: CReplicationModule [Thread 1368]: VerifyDeviceAuthenticationToken: Verification of authentication token: 487e023ea...c92680e06bc74e failed (error_code=INVALID_TOKEN, status=TOKEN_EXPIRED, msg=
2020-11-08 07:45:37 Warning: CReplicationModule [Thread 1368]: RpcPublishLogHandler: Token validation failure

Can you help us how could we find the reason of the warning messages above and/or what should we do to solve the related problem(s)?

Thank you for your help!

Best regards,
Adam