Backing up Hyper V Vms Looses Network Conectivity

Posted on 2014-10-13
Last Modified: 2014-11-12
Hi all this one has me Stumped

We have a Hyper V Host with about 7 Vms on it consisting of Server 2008, 2003, CentOS etc.

We have software (3rd Party) that backs up all of the Vms, however when the job runs for the first 5 - 10 mins connectivity to any of those VM's becomes non existant, then after that time i can reconnect.

We have one network card and a virtual switch configured for external access?
Question by:pepps11976
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LVL 120
ID: 40377061
Is the backup across the same network?

and causing it to saturate and causing network issues?

Author Comment

ID: 40377074
The Backup is installed on the host (Hyper v) and backs up all of the Vm's, yes this only happens when selecting a backup
LVL 20

Expert Comment

by:Svet Paperov
ID: 40377151
Does their status change to “Saved” during those 5-10 minutes? It could happens to CentOS VM but not to Windows Server 2003 and 2008 if the Integration services are installed.
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Author Comment

ID: 40377180
A Couple go into a saved State one is Cent OS and one is an XP Machine
LVL 20

Accepted Solution

Svet Paperov earned 500 total points
ID: 40377192
This is normal for both; they do not support VSS. But you should not lose connectivity to Windows Servers. It's this the case?

Author Comment

ID: 40377243
Svet Paperov

I Think you have just hit the Nail on the Head.

We were using the XP Machine as a kind of Remote Portal, from where we would then log onto the Hyper V Server, since you just said XP does not support VSS, which i was unaware of that explains why we keep loosing connection
LVL 20

Expert Comment

by:Svet Paperov
ID: 40378201
Glad to help.

FYI: only the enterprise editions of Windows 7 or 8.1 (available via Software Assurance in OLP channel) have full support of VSS.

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