Registry HKLM\SYSTEM\CurrentControlSet\Services missing

SBS 2003 SP2 w/ Exchange SP2

Essentially , what I want to do is raise the default Exchange database size limit from 18GB to larger, but I can't, because the HKLM\System\CurrentControlSet\Services key is missing.

Where it should be, is a blank folder, that expands and expands and expands almost endlessly, to a second blank folder.

I've attached examples of what's going on.

Obviously, something isn't right here. How do I fix it?

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Cliff GaliherConnect With a Mentor Commented:
The windows registry was originally designed to overcome the limitations of using text files for configuration options (.ini files for those who remember the windows 3.x era) and, as such, it was designed as a database. Like any databse, if a reference pointer becomse corrupt, strange behavior occurs.
The screenshot you provided is pretty clear evidence that the registry file itself is corrupt. You can *try* scanning the disk for errors, but realistically it would be better to try and find a backup from before the corruption or, worst case, rebuild the server.
Swapnil PrajapatiSr. System AdministratorCommented:
MIght Be NTFS Permissions are missing for services hive.
Try, Though it is for windows 2000
Tom-J-LaelAuthor Commented:
That's the issue...don't know when the corruption started. This was the first time I've needed to go to that registry entry, ever.

Is there any way to repair the registry without rebuilding server?
Swapnil PrajapatiConnect With a Mentor Sr. System AdministratorCommented:
Tom-J-LaelAuthor Commented:
Rebuilding the server just isn't an option right now.

it's unknown how/when the corruption occurred as we never had to go to that registry key until now.

I had everyone clear up their mailboxes and got the about 6GB to work with...

cross your fingers...
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