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My server is running with Windows Server 2003 SP2. How can I check for which version of IIS it is running?

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2 Answers 2

up vote 2 down vote accepted

You run a simple asp script on your IIS server:


Or look for ASP.DLL (under system32, I believe) right click it, choose properties and check the file version.

However on Windows Server 2003, you are almost certainly running IIS 6.0

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Thanks, the ASP.DLL file helped a lot! –  wahle509 Oct 28 '09 at 18:53

How do I determine which version of IIS / ASP I'm running?

If you are running Windows Server 2003, you are running IIS 6.0 / ASP 3.0


  1. Do a search for ASP.DLL on your system
  2. right-click it and select Properties
  3. Check the version tab:

        IIS 3.0 shows 1.x 
        IIS 4.0 shows 2.x 
        IIS 5.0 shows 5.0.2195.x 
        IIS 5.1 shows 5.1.2600.x 
        IIS 6.0 shows 6.0.3790.x
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Thanks for the IIS versions! –  wahle509 Oct 28 '09 at 18:54
This DLL is most likely in C:\Windows\system32\inetsrv\ –  TravisO Jan 25 '13 at 15:03

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