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Upgrade 32 bit version to 64 bit version on windows server 2003 enterprice

Posted on 2013-02-06
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Last Modified: 2013-02-27
Hi Experts

my server running 32 bit version of WINDOWS 2003 enterprice, is it possible to upgrade to 64 bit version of windows 2003 enterprice without formatting.

Yes processor is 64 bit.

Thanks in advance
Gagandeep
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Question by:GaganRawat
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Expert Comment

by:Suliman Abu Kharroub
ID: 38858889
Not possible, you need a new clean format from 32 to 64 systems.
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Expert Comment

by:Kash
ID: 38858907
no possibility here. You will need to start from scratch. The reason is that there are many modules in 64 bit which need to be reinstalled and linked to the hardware structure.
Why do you want to do that.

If you are going to do it why not upgrade to newer version of server.
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Author Comment

by:GaganRawat
ID: 38858972
if RAM can be extended to 32 GB in 32 bit OS i dont have to upgrade, just need to upgrade RAM from 4gb to 32 GB

Kindly advice.

Gagandeep
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Expert Comment

by:Suliman Abu Kharroub
ID: 38858999
32 systems can only see up to 4 GB RAM...

unfortunately the only option that you have is a clean installation.
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Expert Comment

by:ScottCha
ID: 38859334
No that is not true.  You need to enable PAE to see beyond 4 Gig.

http://msdn.microsoft.com/en-us/library/windows/desktop/aa366778%28v=vs.85%29.aspx#physical_memory_limits_windows_server_2003_r2

http://msdn.microsoft.com/en-us/library/windows/desktop/aa366796%28v=vs.85%29.aspx

But if you want to install a 64-bit OS, then you will need to do a clean install.  No upgrade path from 32-bit to 64-bit.
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Expert Comment

by:Pramod Ubhe
ID: 38859439
Yes, 4 GB RAM is the limitation of std. Edition not 32 bit systems.
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Expert Comment

by:ScottCha
ID: 38859520
The author is NOT running the Standard Edition, he is running the Enterprise version.
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Suliman Abu Kharroub earned 500 total points
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by:GaganRawat
ID: 38936987
Accepted solution
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