Do it before you have to…

I have 5 VM’s running on a Microsoft Windows Server 2008 with Hyper-V. This homebrew ‘server’ has been running flawlessly since June 2008, but last week, after being “up” since May this year, I had some problems and I couldn’t find what caused them.

The first issue I had was that MS Outlook was very slow, especially when moving from one email folder to another; it took multiple seconds, really terribly slow.  Update KB2412171 was the cause of this, as I found out here. After removing the update from my system everything was back to normal; well, part of it.

I was also experiencing performance issues with my file manager; not on local drives but only on network drives. The cause of this was something else, which didn’t take long to find either: my Hyper-V server was almost out of memory, 7.99 GB of 8 GB used! 🙁 That can’t be good for performance, so it was time to reboot the thing and do some updating on the VM’s.

I never look at the Hyper-V host because it’s always running fine, but after 7 months of uptime it needed some attention. But unfortunately, in this condition, starting the windows update process on 2 VM’s  was not a good idea. Both of them had multiple large .NET updates in the queue which always take a long time, but now it took much much longer; 3 hours in total! Bye-bye to all other plans I had for my Saturday evening…

So from now on I’ll keep a closer eye on the Hyper-V host and update & reboot before I really have to…

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