No connection could be made because the target machine actively refused it -vCenter server IP

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Backup Technology:- VEEAM

Error:-
Multiple jobs failed with the error message “”Task failed Error: No connection could be made because the target machine actively refused it <ip_address>.44:443 (vCenter Server IP).
Cause:-
Backup jobs failed due to vCenter server not reachable during that time.

Workaround:-

1.    Try to login to the vCenter server.
2.    Verify, is vCenter server rebooted during the backup’s running. If so wait for next schedule.
3.    Verify vCenter service is running or not.

4.    If you face any problem with accessing the VM then work with Virtualization team and resolve the issue.

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