Error Parameter Name: S

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Error Parameter Name: S

Veeam Logoby Clovell » Mon Jun 26, 2017 10:03 pm


Using Veeam 9.5 update 2
Hyper-V as the hyper visor there is 3 Hosts all fully patched.
We are getting Error: Value cannot be null. Parameter Name: s

Initially it was a minor issue that would come and go, we have created new Full backups to try to resolve the issue but it comes back. Not all servers fail just some, typically different every day.
Running further retries the next day allows the failed servers to then run.

I am not sure what Parameter: s is, can anyone point me in a direction to find what is wrong?

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Re: Error Parameter Name: S

Veeam Logoby Mike Resseler » Tue Jun 27, 2017 5:32 am

Hi Clinton,

First: Welcome to the forums!

Please create a support call and update this thread with the case ID (and the follow-up after working with support). I'm afraid it will be purely gambling without the possibility to investigate the logs and our support engineers will be able to do that and search for the root cause

Mike Resseler
Veeam Software
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Location: Belgium, the land of the fries, the beer, the chocolate and the diamonds...
Full Name: Mike Resseler

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