Hyper V 2008 R2

We are experiencing strange behavior when we user the Hyper V 2008 R2 management console.  When we look at the settings of a VM it opens the "settings" console screen fine, but when we select a piece of hardware such as the "Network Adapter" it hangs in the results pane with the following error "Loading setting data".  Eventually this error changes to read "There was an error loading the data for this setting".

We have tried rebooting the Hyper V server and still get the same issue.  Any help would be most appreciated.

2 x error messages attached.
Error.PNG
loading-setting-data.PNG
matt whiteit consultantAsked:
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trinitrotolueneDirector - Software EngineeringCommented:
The NIC you are using for the VM is the cause for this error...Check whether you can connect to the NIC and it has a live connection to the network.
Try reinstalling the drivers for the NIC and check whether the NIC shows up in Device Manager.
Also first try configuring the NIC to work on your network before binding the virtual switch to it...

General stuff :

ensure you have sufficient space on the hard drive while creating the VM.
Also try storing the VMs at a different location from what was used earlier.
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matt whiteit consultantAuthor Commented:
The NIC is live, it shows up in device manager and we can connect to it fine.  We have re-installed the driver but still the same issue.

The .vhd is stored on a local drive which has plenty of free space available.

Thanks for your suggestion but still have the same issue.
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trinitrotolueneDirector - Software EngineeringCommented:
do you have the issue with every new VM and only for the "Network ..." setting?
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matt whiteit consultantAuthor Commented:
We have 10 x standalone Hyper V serevrs all with local storage (nothing shared) and all have exactly the same issue.  

Yes, sorry should have said it's only the "network settings" that will not show.
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trinitrotolueneDirector - Software EngineeringCommented:
>>>all have exactly the same issue.
that's interesting. Have you installed the latest hotfixes for Win srv 2008 R2 especially the Hyper V ones?

Can you list out the exact steps :

Do you start the New VM wizard from HyperV?
What are the screens you go over? What are the options you select? etc etc

Can you provide more detail?

Also do you mean to say you haven't been able to get even a single VM to work till date ?
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Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
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matt whiteit consultantAuthor Commented:
RESOLVED

Uisng Powershell we had to manually remove the Virtual Network.   Although this did not fix the issue we then had to un-install the Hyper-Role and Re-install.  Then recreating the Virtual network fixed the issue.

Suspect this was caused by a Windows security patch (patching carried out last week) but not sure which one.

Thanks all for your help with this.

Kind regards
Matt
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trinitrotolueneDirector - Software EngineeringCommented:
reinstalling the Hyper V role...hmm interesting!!! backward compat is broken I guess with the new patches.
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matt whiteit consultantAuthor Commented:
Just a quick update to say on the second host we have just attempted the fix on, simply removing the Hyper V role and re-adding it fixed the issue.  *

If you have any VM's on the server, you'll be pleased to know these are not removed when removing/re-adding the Hyper V role and will still be present once the role is re-added.  You will still have to go in to each VM's network settings and point it to the newly created (re-created when role re-installed) Virtual Network.

Thanks again for all help
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matt whiteit consultantAuthor Commented:
Solution was obtained by amending servers in our live environment and ensuring the fix resolved all issues.
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