Domain Controller Down - Windows 2000- Increase Registry size

Power went out, proprely shut down servers though from batter back up. Servers are running Windows 2000 server and when you try to log on i get the error message "unable to log profile please increase the size of your registry and restart the computer" if i go into regedit it says "not enough resources"
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FEDEXECAAuthor Commented:
also says insufficent priviledges to access System or anything else when i click on it because its loading the default profile
FEDEXECAAuthor Commented:
Also we have 2 domain controllers both have same error
Since it looks like you can at least boot into Windows, try:

Open System in Control Panel.
On the Advanced tab, click Performance Options, and under Virtual memory, click Change.
Under Registry size, type a new registry size in megabytes in the Maximum registry size (MB) box.
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>>  insufficent priviledges to access System

Missed that part. What about in Safe Mode?
You also might get there by increasing the pagefile.

By default, RSL is 25 percent of the size of paged pool. Setting up the size of paged pool (see PagedPoolSize value of the Registry key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Memory Management) also affects the size of RSL.

You can also manually set the RSL:

   1. Run the Registry Editor (REGEDT32.EXE).
   2. Locate the key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control.
   3. Modify the value RegistrySizeLimit (create it first it if it does not already exist) to reflect the desired size, in terms of bytes.

      NOTE: RegistrySizeLimit must have a type of REG_DWORD, and a data length of 4 bytes, or it is ignored. If you set the value RegistrySizeLimit to less than 4 megabytes (MB), it is forced up to 4 MB. If you set it to greater than about 80 percent of the size of paged pool, it is set down to 80 percent of the size of paged pool (it is assumed that paged pool is always more than 5 MB). If you set it to 0xffffffff the maximum size allowable (or 80 percent of paged pool, up to 102 MB) is set.
   4. Shut down and restart Windows NT for changes in RSL to take effect.

Note A system restart is required after the RSL has been increased either through the graphical user interface (GUI) or the registry, because this change does not happen dynamically. If you do not restart the system, you may experience the following event:

Event Type: Error
Event Source: Userenv
Event Category: None
Event ID: 1000
Date: date
Time: time
User: NT AUTHORITY\SYSTEM Computer: name
Description: RegLoadKey failed. Return value Insufficient system resources exist to complete the requested service for C:\Documents and Settings\ntuser.dat.

link with pics:
FEDEXECAAuthor Commented:
I'll try that. Going to look at it fresh tomorrow. 99% sure a windows update installed and screwed somthing up since both DNS went down at the same time and both show the exact same error.
>> ...99% sure a windows update installed and screwed somthing up

That's possible.    : |
Microsoft hasn't released an update for Windows 2000 in years, and never will release another update for Windows 2000, so I don't see how a Windows Update could have caused this.

Hopefully you have a plan for dealing with your Windows 2000. Updates are not available, expertise is going away as people's skills get rusty, and information on the Internet disappears. If you can move to at least Windows 2003 R2 that would be better.
>> ... hasn't released an update for Windows 2000 in years

whoops. My bad.
FEDEXECAAuthor Commented:
probably been years since this thing has been rebooted. Ended up just rebuilding new.

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Thanks for the feedback.
FEDEXECAAuthor Commented:
No solution, changing registry size/virtual memory didnt help
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Windows 2000

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