button-print-blu20 Windows Server 2008 Enterprise 32bit - 3070Mb Memory Limit

Windows Server 2008 Enterprise (non-R2) is available in 32 bit and 64 bit versions.  We are using the 32bit platform for Citrix XenApp Server as it allows us to run particular applications in our organisation – to avoid other issues we also disable Data Execution Prevention (DEP).  See this link on how to do it.

We have recently discovered that if DEP is disabled,PAE (Physical Address Extension) is also automatically disabled. S0 even though our server is allocated 6Gb of RAM, Task Manager only shows 3Gb (3070Mb to be precise). button-print-blu20 Windows Server 2008 Enterprise 32bit - 3070Mb Memory Limit  W2k8-DEP-300x248 Windows Server 2008 Enterprise 32bit - 3070Mb Memory Limit
In order to get around this problem, you need to Forcibly enable Physical Address Extension (PAE), in the same way as DEP. Follow this link to see how.Once this has been done, reboot the server and finally Task Manager agrees with the real world.

button-print-blu20 Windows Server 2008 Enterprise 32bit - 3070Mb Memory Limit  W2k8-DEP-300x248 Windows Server 2008 Enterprise 32bit - 3070Mb Memory Limit  W2k8-PAE1-300x228 Windows Server 2008 Enterprise 32bit - 3070Mb Memory Limit
W2k8 with DEP/PAE enabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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