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5 Citrix Metaframe servers in an application farm blue screening (BSOD)

Posted on 2009-02-24
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Hi,

We have 5 Windows 2000 servers running a Citrix Metaframe Presentation 4.0 farm. The servers are load balancing one application to all users. These servers are all heavily locked down with group policy, so that users cannot install software or printer drivers (except the drivers in the compatibility list), or even save files locally.

The servers all started randomly blue screening  2 weeks ago and I cannot narrow down the problem as the server crashes are not saving kernel dumps to the local disks (they are set to do so). The servers are also set to shutdown on blue screening, but they are restarting automatically.

I've read up posts on this site about removing "version 2 and 3" drivers, but I'm not 100% on the complexity of what this actually means...

Help!!!
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Question by:cpadm
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BLipman earned 2000 total points
ID: 23722913
Removing Version 2 drivers is important, you want Version 3.  Go to your printers folder, File->Server Properties..., look at the Drivers tab, you should only see "Type 3 - User Mode".  Any driver that is listed as Type 2 or Windows NT then it is Kernel mode and can BSOD your server when it misbehaves.  
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by:cpadm
ID: 23723187
We have a mix of Windows 2000 and 2003 servers in out office, with mainly XP clients and a few Win 2000 clients lying around. How would you advise going about removing the version 2 drivers?

Should I locate all file and print servers in our office sites and remove the NT4 drivers from them,
then remove the corresponding drivers from the Citrix servers?

The other post I saw on Experts Exchange mentioned making registry edits - I have approx 200 users who use this farm daily, so I'm hesitant to make big changes...
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by:BLipman
ID: 23723444
So you start with a driver policy, I typically allow native driver installation as one policy entry and tell it to use the universal only if the native driver is unavailable.  The universal will service most users when you start pulling out bad drivers.  I like to remove them but you can effectively "ban" them as well.  
To remove drivers, you go to the printers tab of your Server Properties and start removing them manually.  You can "ban" them in your Presentation Server Console.  Under Printer Management, right click on Drivers and click Compatibility.  You can add drivers here that you do not want to be used when mapping printers.  This should keep you away from trouble drivers.  

It is not a BSOD thing, but I advise working around PCL6 drivers whenever possible as well.  This aides in reliability as many PCL6 drivers are unstable in a TS environment.  
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by:cpadm
ID: 23723688
BLipman,

I'm off for now, but I'll pick this up again tomorrow, and try and implement your suggestions,

Thanks,
Fin
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by:BLipman
ID: 23723727
Cool, make sure this is your issue though.  There are always other possibilities like Citrix Rollup Fixes (I think the big one for BSOD is for PS4.5 though).  
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by:cpadm
ID: 23772709
Blipman,

We had a number of printers with NT4 drivers, including one in the IT department! I removed all these drivers from the print server, and we haven't had a bluescreen since.

Thanks a mil
Fin
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