CUCM 8.0.2 - Disaster Recovery Backup Device: Accepts IP but not DNS Name
I am running CUCM version 22.214.171.124000-1. The SFTP server being used is Bitvise SSH server for Windows. I'm trying to set up a Disaster Recovery Backup device with the DNS name, but it's not working. For example, if I put the DNS name (example:neo.matrix.ca) in the "Server name" field with all the credentials, it gives me this error:
Update failed : Unable to access SFTP server or SFTP server too slow to respond. Please make sure the login credentials and path are correct.
However, when I use the IP address of that server with the same credentials, it works. And I can run a backup just fine. So I checked if CUCM can ping the DNS name from the command line, and that works. So CUCM is resolving the name to IP just fine. The Unity Connection and Contact Centre servers we have accept the DNS name just fine. Any ideas as to what is going on here?
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