groups: cannot find name for group ID 10060

We have an Ubuntu 10.04 Server with Winbind and Samba connecting to a Windows 2008 Domain Controller...

When I login with my domain credentials from the Ubuntu box the message does not appear, but when I login as root, I see the following message:

groups: cannot find name for group ID 10060

Root group info is: uid=0 (root) gid=0 (root) grops=0 (root), 10060

If I check group information on another user as seen below I receive even more "cannot find name for group ID" messages.

root@testuser:~# groups testuser
testuser : testuser adm dialout cdrom plugdev lpadmin sambashare admin groups: cannot find name for group ID 10064
10064 groups: cannot find name for group ID 10065
10065 groups: cannot find name for group ID 10066
10066 groups: cannot find name for group ID 10067
10067 groups: cannot find name for group ID 10068
10068 groups: cannot find name for group ID 10069
10069 groups: cannot find name for group ID 10070
10070 groups: cannot find name for group ID 10071

Does anyone know how to fix this?
CreatedAsked:
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ahoffmannCommented:
the /etc/group file on the system you login does not contain the listed groups
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atsvirginiaCommented:
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CreatedAuthor Commented:
atsvirginia, thx but, I've already looked a existing experts-exchange cases, including this one. I'm looking for someone that has delt with this.
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CreatedAuthor Commented:
ahoffmann, you were right. I just added the group with the same ID that was reported as missing and the error message disappeared. I then removed the user(s) from the group(s) and no error message still. However if I remove the group the error messages reappears.

It's strange that the user would be complaining about a group to which it no longer belongs.
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ahoffmannCommented:
you're not using traditional *ix authentications which, IIRC, does not show this problem
I guess it's some kind of security feature of samba (or whatever you're using)
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CreatedAuthor Commented:
ahoffmann, I'm not familiar with *ix authentications, and have not been able to find the answer by looking it up. Can you please explain?
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ahoffmannCommented:
I meant login on console/terminal or ssh which uses /etc/passwd or PAM
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