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Thin Client and Virtual Machines Thread, XenServer - Can't see VM in Technical; We're running a XenServer 5.6 FP1 and I've not had any problems with it till now. I created a VM ...
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    Zoom7000's Avatar
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    XenServer - Can't see VM

    We're running a XenServer 5.6 FP1 and I've not had any problems with it till now. I created a VM and was trying to install Windows on it, but had to blow it away and start again. I rebooted the VM and now I just cannot view the VM in the XenCenter console window! I just see a blank window:

    XenError.jpg

    Any ideas what could be causing this? I've installed XenCenter on 3 different PCs/Servers (XP, 7 and 2003) and all are giving the same error. Rebooted the XenServer and the client PCs, deleted the VM and recreated from scratch, all with no luck!

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    Have you recently pooled servers? Dodgy iso? vt-x enabled? (not on stones) tried 5.6 or 5.5 to see if works? are these PC/ server similar manufacturer? each version has random problems with different pcs citrix forums good but can help more if needed

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    Zoom7000's Avatar
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    My desk PC is a custom build running Windows 7 - Doesn't work on there. I've tried from a VM running on VMware Workstation on my custom build - Doesn't work there either. Tried on a HP Ultra Slim PC and a HP Convertible Minitower - Same result. (The Ultra Slim was running 5.5) and also tried it on a HP Server (Can't remember the model number) but it doesn't work on there either. Tried different ISOs (Volume Licensing from Microsoft and Technet ISO) also tried booting from Network. vt-x is enabled on all PCs. Also haven't pooled any servers.

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    Does the VM still have storage? What's under the storage tab of the VM properties?

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    Zoom7000's Avatar
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    Quote Originally Posted by bodminman View Post
    Does the VM still have storage? What's under the storage tab of the VM properties?
    I'm pretty sure the VM has storage. It's a brand new created VM and the XenServer isn't actually running anything at the moment as I wiped away any older VMs we had on it for testing. If worst comes to worst, I can just rebuild the XenServer from scratch but I'd rather fix the problem in case the issue reappears when there are VMs in use.

    I've had a look at the host console on it does say the VM is running. So it seems there isn't a problem with the VM but with XenCenter.

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    Try this,

    1. Shut down XenCenter.
    2. Click Start->Run
    3. Type: %APPDATA%\CITRIX
    4. Delete any folder pertaining to XenCenter
    5. Re-open XenCenter

    I have had a similar issue before.

    Box

  7. 2 Thanks to box_l:

    jamesfed (2nd March 2011), Zoom7000 (2nd March 2011)

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    Zoom7000's Avatar
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    Thank you mate. That worked. No idea why it was doing that even on a fresh install of XenCenter, but oh well. Working now!

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    Quote Originally Posted by box_l View Post
    Try this,

    1. Shut down XenCenter.
    2. Click Start->Run
    3. Type: %APPDATA%\CITRIX
    4. Delete any folder pertaining to XenCenter
    5. Re-open XenCenter

    I have had a similar issue before.

    Box
    Wow thanks for that fix - I've always had this problem on my Win7 PC, usaly I just boot into a Virtual Box VM and do all XenCentre stuff from there

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    For some reason XenCenter likes to occasionally corrupt its AppData leading to problems like this. Another one to look out for is if you ever have a problem with memory/CPU etc utilisation not showing correctly (or at all) in XenCeter that's usually down to time sync differences between the physical hosts and the XenCenter client PC.

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