Extending 4GB RAM limit on IIS6 32bit W2k3 Web Server????

Hi,

How can I extend the 4GB limit on a 32bit W2K3 server running IIS6. I have heard about PAE, but have also seen warnings. So my current feeling is that this the limit of 32bit . Move to 64bit.... which would cause quite a lot of hassle since quite a lot of web sites are running on this server.

Am I right or is there a way to get more RAM out of my 32bit system?

Cheers,

Sam
SamJollyAsked:
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oBdACommented:
Not possible unless your server is running W2k3 Enterprise Edition, sorry.
W2k3 32bit Standard (or SBS in all flavors, for that matter) is limited to 4GB, no way around it.
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IT-Monkey-DaveCommented:
Microsoft info on PAE for 32-bit: http://www.microsoft.com/whdc/system/platform/server/pae/paedrv.mspx
If you're running W3K Std. Edition PAE doesn't do you any good.  And reading through their compatibility warnings, to me PAE doesn't sound like a totally viable solution.  But I have no personal experience with it.
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SamJollyAuthor Commented:
>>>>
Not possible unless your server is running W2k3 Enterprise Edition,  sorry.
W2k3 32bit Standard (or SBS in all flavors, for that matter)  is limited to 4GB, no way around it.
>>>>

I assume the above will only work with PAE.... and if so what are the issues if you have experience??

Thanks,

Sam
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IT-Monkey-DaveCommented:
That Microsoft article goes into a whole long laundry list of possible hardware and driver issues when using PAE.
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oBdACommented:
/PAE will work on W2k3 standard as well, but is only useful if your machine only shows anything less than 4GB of RAM (like 3.5GB).
There can be driver issues (which might manifest as bluescreens or failure to boot), some drivers don't like /PAE.
But there is no way you'll ever address more than 4GB on W2k3 standard, with or without /PAE.
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oBdACommented:
Oh, if you want to try this (more or less) safely: remove the "Read Only" attribute on boot.ini, open it in Notepad.
Duplicate the existing entry under [Operating Systems], change the description of the first line (between the double quotes) and add PAE or whatever to it so that you can identify it, and add /PAE after the existing options.
Reboot the machine; if it should fail to boot, you can always pick the second entry in the boot menu, boot in normal mode and remove the /PAE line from boot.ini again.
Again: if your machine already shows the full 4GB, adding /PAE won't help you any way.
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SamJollyAuthor Commented:
I will check with my Server man about the version of W2K3 that is being run. Out of interest if PAE is relevant, ie we are running W2K3 Enterprise, how much can one extend RAM to?

Cheers,

Sam
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IT-Monkey-DaveCommented:
Sam, Is there a reason why you won't read that MS article?  The answer lies within.
Just saying.  :)
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oBdACommented:
64GB.
Memory Limits for Windows Releases
http://msdn.microsoft.com/en-us/library/aa366778(VS.85).aspx
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SamJollyAuthor Commented:
IT-Monkey-Dave:,

You are right :) However I was also interested to pick up an any direct "experience" with PAE hence the questions....

Cheers,

Sam
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SamJollyAuthor Commented:
oBdA:,

Useful article..... Thanks,

Sam


P.s Thanks all... Marking and closing. Both really helpful .... thanks...


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oBdACommented:
Had it happen both: running systems without any issues with PAE, as well as a system stuck in mid-boot with PAE enabled.
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SamJollyAuthor Commented:
Thnx all....
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IT-Monkey-DaveCommented:
I was starting to wonder if I smell bad today or something.  lol.
Good luck.
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SamJollyAuthor Commented:
Sorry .... Got a final question... Would you expect any problems on a standard IIS6 setup with the odd email components, ASP.NET and SQL Server installed??

Sam
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SamJollyAuthor Commented:
Actually another "simplish" approach may be to take SQL Server off the web server and put on its own box thereby releases a significant amount of memory for IIS

Sam
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oBdACommented:
Can't tell, you'll have to try (as described in http:#a29390632).
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SamJollyAuthor Commented:
OK Thanks all.. Have a great Easter....

Sam
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Windows Server 2003

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