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Do we need to explicitly enable 32-bit application support 32-bit option in Windows Server 2008 R2?

Posted on 2011-09-27
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Last Modified: 2012-08-13
Hello there,

Do we explicitly enable 32-bit application support 32-bit option in Windows Server 2008 R2 after the install of the OS?

This is because we need to install Native 32 bit applications.

Please advise.

Thanks and Regards
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Question by:goprasad
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by:bkieler
ID: 36714265
If you installed the 64-bit version of Windows 2008 Server, then you can just immediately install 64-bit software.  If you did not install the 64-bit version of Windows 2008 Server, then you can't.

If you are installing a web application on a 64-bit version of Windows 2008 Server, but having issues that indicate that IIS is running in 32-bit mode, then in the advanced settings of the AppPool that the program uses you can switch it over to 64-bit.
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by:goprasad
ID: 36714722
I will be installing windows 2008 R2 OS
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bkieler earned 500 total points
ID: 36716734
If it only says Windows 2008 R2, then I would assume it's a 32-bit OS.

Either way you can instal most 32-bit software on both the 32-bit version of the OS and the 64-bit version.  No enabling needed.  Since it sounds like you have a 32-bit OS, you don't need to worry about the web applications I mentioned.
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by:goprasad
ID: 36901234
Windows 2008 R2 is a 64 bit OS
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by:bkieler
ID: 36901272
What type of application are you installing?  Is it a web application?  Does it need IIS (Internet Information Services)?

As long as it doesn't need IIS, you should be fine.
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by:goprasad
ID: 36901283
I will be installing native 32 bit version applications.
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by:bkieler
ID: 36901335
There are versioning applications that do use IIS.

I know Microsoft VSS does not rely on IIS, and therefore can be installed as is on a 64-bit machine.  I'm not sure it's supported on Windows 2008 Server though.

SourceGear Vault is a web application, so you would need to either install their 64-bit version of the software, or run your VaultAppPool in 32-bit mode.

If you are unsure if it's a web application or not, would you mind giving me the name of the applications you want to install?
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