[THIN] Re: Suggested Registry size

  • From: "Schneider, Chad M" <CMSchneider@xxxxxxxxx>
  • To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
  • Date: Fri, 23 Jul 2004 14:12:25 -0500

I have confirmation, it was the W2K3 SMS agent hanging the profiles on my
machines, that was causing the registry to explode.


From: Landin, Mark [mailto:Mark.Landin@xxxxxxxxxxxxxxxx] 
Sent: Thursday, July 22, 2004 5:03 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Suggested Registry size

One note:
On Windows 2000, although you can set a registry size to >128MB, you can
experience problems when the registry hits 128 MB. There will be an error in
the Event Log with ID 1000 from Userenv, with a text similar to "Windows
cannot log you on because the profile cannot be loaded. Contact your network
administrator. DETAIL - Insufficient system resources exist to complete the
requested service."
It has to do with Paged Pool memory issues. There is a KB article describing
the fix to this: 


It happened to us, and this fixed it.

Apparently Windows 2003 does not suffer from this problem.


From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Rick Mack
Sent: Thursday, July 22, 2004 4:46 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Suggested Registry size

Let's not confuse the profile file/directory size with the profiles registry
size footprint. Prifiles stored in the local documents and settings folder
do NOT contribute to registry size. Only logged on sessions do that.
The registry can get bloated if the machine software hive gets too big
(fragmentation, registry key gowth), you have too many users (each logged on
user's ntuser.dat size gets added to the total registry size) or the users
registry profile (ntuser.dat on disk) gets too big because of registry key
growth, eg per-user file associations.
On win2k you don't want a software hive over about 35 MB, and individual
ntuser.dat file sizes over about 1.2-1.5 MB. If they're bigger then you've
got some work to do.

Ulrich Mack
Volante Systems Ltd
18 Heussler Terrace, Milton 4064
Queensland Australia.
Ph: +61 7 3246 7704
email: rmack@xxxxxxxxxxxxxx
web: www.volante.com.au

-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Schneider, Chad M
Sent: Friday, 23 July 2004 3:17 AM
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: Suggested Registry size

I do not have the profiles set to delete at logoff, periodically I use
delprof to clean them up.  I ran that on some servers, cleaned out a lot of
roaming profiles, but still the registry remains large.  Will it require a
reboot to fix?


From: Angus Macdonald [mailto:Angus.Macdonald@xxxxxxxxxxxxxxxxxxx] 
Sent: Thursday, July 22, 2004 3:32 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Suggested Registry size

I wouldn't have thought that files in the profile would contribute to the
registry size. Isn't ntuser.dat the registry component? My profile went up
to 2.5GB once, thanks to an overzealous database admin. It took a while to
load but got there in the end.
Are your profiles unloading properly? If the profiles are staying on the
machine at logoff, perhaps they are staying in the registry as well.

-----Original Message-----
From: Schneider, Chad M [mailto:CMSchneider@xxxxxxxxx]
Sent: 21 July 2004 21:21
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Re: Suggested Registry size

I thought 100 would be fine, and it was....
Now searching and finding someone turned up some log files, which copy to
the %system32%\winnt folder, in this case, the users windows
folder.....finding several hundred K extra per user....  Typical roaming
profile is between 300-600K.  Now several in the 3+ MB.


From: Angus Macdonald [mailto:Angus.Macdonald@xxxxxxxxxxxxxxxxxxx] 
Sent: Wednesday, July 21, 2004 3:11 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Suggested Registry size

I thought I was being generous at 120MB. It never normally breaches 60MB
with 50 users.

-----Original Message-----
From: Schneider, Chad M [mailto:CMSchneider@xxxxxxxxx]
Sent: 21 July 2004 20:53
To: 'thin@xxxxxxxxxxxxx'
Subject: [THIN] Suggested Registry size

Suddenly my registry on my servers is becoming full.  It is set to 100MB.  

What is the suggested size? 

DL360, 2+ GIG physical Ram. 

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