Running IIS in 64-bit mode

Recently we had an issue with running .Net apps on a 64 bit windows machine. WSUS was installed (as a 64 bit app) and was working. I wanted to dual-use that underutilized machine as a virtual machine server. What could possibly go wrong?!

VMware Server (v.1.04) was installed and at that point it broke WSUS!

Seems that as part of the VMware installation process, it reconfigures the IIS server to function as a 32 bit machine. WSUS no likey. The following steps worked for me to resuscitate WSUS.

• Uninstall WSUS, leaving your current config/data behind. (On hindsight, this may have not been necessary for the fix, but I’m noting this step anyway incase it is.
• Set the IIS server back to 64-bit mode.
  Microsoft Knowledgebase article KB894435 has excellent insight in how to switch amongst the various modes.
  1. In my case, I had to do

     
     cscript  %SYSTEMDRIVE%\inetpub\adminscripts\adsutil.vbs
     SET W3SVC/AppPools/Enable32bitAppOnWin64 0
     

     the above (one continuous line at a command prompt)  disables the Windows on Windows64 feature in Win2003 SP1

  2. Followed by

     %SYSTEMROOT%\Microsoft.NET\Framework64\v2.0.50727\aspnet_regiis.exe -i
     

     That registers the 64 Bit version of the .NetFramework
     You also need to check back at the Computer Management Console, Internet Information Services, Web Service Extentions, to make sure that ASP.NET v2.0.50727 is “Allowed”

• Reinstall WSUS (if you had removed it initially) allowing it to use the existing configuration when prompted.

The Metamorphosis of Windows

Geekyness (sp?)

This is (I suppose) a kinda geek purity test. I am however disappointed in the score. I knew I was lowering my score when one of the questions was ‘what do you do at 3am on a weekday’ and to my shame I had to admit sleeping. If I came accross that question a few years back it may have been a different story…. c’est la vie.

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