userenv error on Exch 2k server

the best thing about eventid.net is you get stuff like this:
... got around this error, when I enabled the Userenv logging, using article: Q221833
and this:
... was getting the same error on a Windows 2000 Advanced Server. The error was being generated every 2 minutes so I looked at the scheduled tasks and there were a couple of tasks that were running every two minutes. All of them were running under a local admin account and one of them was running under a domain account. I disabled all of them and started each of them to narrow down on the error and the service running under the domain account was the one generating the errors. The domain account was valid (had not expired or been disabled) and I could login using that id on a test machine. I deleted the profile (use the utility delprof from the 2000 resource kit) on the server and started the scheduled task. It started generating the errors again at the 2 minute interval. So I deleted the profile off the domain controller (and local copy from the server) and this time it fixed the problem
...Using oh.exe (one can get it from Microsoft) I found that the spoolsv.exe process was the one that was holding onto the HKey_users keys and that it was Userenv that was behind the opening of the keys:

sorry, i was reading under wrong error for previous snips.
try this one:
Value 14 = "Not enough storage is available to complete this operation." - If activated, policy debugging in winnt\debug shows "MyGetUserName failed with 14". This can be caused by too many group memberships assigned to the user. See Q263693: Group Policy May Not Be Applied to Users Belonging to Many Groups. Without the registry change described in the KB, the maximum number is about 75.