From: Taed Nelson [TaedN@vertical.com]
Sent: Thursday, March 08, 2001 5:47 PM
To: NT Developers Interest List
Subject: [ntdev] RE: NT Special Pool broken in NT 4.0 SP 6?

> I've discovered that the NT Special Pool is essentially broken in NT 4.0
SP
> 6.  It seems to work fine in NT 4.0 SP 4 and in Windows 2000.  I've been
> working with Microsoft Premier support on this, and he has confirmed my
> discoveries on his system.

Well, it took a lot of time, but we figured it out.  It was incidentally
broken by the same issue that is described in Knowledge Base article
Q264450, and the method for getting the fixed NTOSKRNL is in that article.

Furthermore, we also discovered that it arbitrarily limits the size of the
special pool to 1/8 of the available memory.  This seems to be true under
Windows 2000 as well.  Since this is an arbitrary limit, you can actually
"fix" it by editing the NTOSKRNL variable _MiSpecialPagesNonPagedMaximum.
I've done this and find it very useful for forcing the entire system to use
the special pool.

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