Linux Servers Failing to Backup "The Server Refused Connection"

All,

We're having an odd issue here. We have a few Linux Red Hat and CentOS VMs that need to be backed up. For some reason these are failing. All of our windows devices are backing up without issue - only the Linux boxes are having problems.

- All Linux VMs display the same error, and suberrors

- All of our Windows servers are backing up.

- We're using the same Acronis Agent for the Windows devices and the Linux devices. 

- All VMs are all hosted behind the same VMWare hosts.

The following suberror codes are showing up on all failed Linux Backups:

"code": 20250646,

"code": 20119593,

"code": 20250677,

"code": 7503931,

"code": 7503950,

"code": 7503949,

"code": 7503890, 

"code": 10551548,

"code": 21561347,

"code": 66596,

"code": 9764877,

"code": 7503875,

"code": 5439582,

"code": 14009,

Thank you!