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Error 15401 adding login to SQL Server

I have a SAP Server running SQL2000 on Windows 2003.
Recently I migrated the server from a NT4 Domain to a AD Domain using
ADMT (with SID Migration for users) and everything seems ok.
Now, after one month, I have to shut down the old NT4 domain and before
doing it I have to replace the old logins in SQL with the correspondent
users in the new domain.
I applied a script which returned Error 15401: Windows NT user or group
NEWDOM\User not found. Check the name again.

I checked the KB article 324321
http://support.microsoft.com/default...b;en-us;324321
I applied the suggestion to verify if
SELECT name FROM sysxlogins WHERE sid = SUSER_SID 'NEWDOM\User')
returns a row, but this is not happening.

Then I tried to create the new login from the Enterprise Manager. So I
browse for the user and I'm able to find it (It exists! It's the same
user I use to login on the server) but when I apply the changes I get
the same 15401 Error.

So it seems that the KB article is not useful because:

1) There is no duplicate security identifier
2) It's not an authentication failure because I can login and browse
the AD. Also if I choose another AD user it works!
3) I don't think it's a case sensitivity problem because it happens
also from EM. By the way, I verified the SAMAccountName AD property of
the user and the name is all UpperCase.

I checked lots of posts dealing with this matter but they don't seem to
apply.

Any help would be greatly appreciated

Thanks
Dave

Jul 23 '05 #1
1 9203
This post suggests that if all else fails, you may need to reboot the
server to refresh its locally cached credentials:

http://groups.google.co.uk/groups?hl...ngxa06.phx.gbl

If you've already done that, then I would consider calling Microsoft -
if you've exhausted other resources, it's probably going to be the
fastest way to resolve the issue.

Simon

Jul 23 '05 #2

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