Ralf K. Wiegand wrote:
> Hello - I upgraded from FC4 to FC6. My samba configuration (samba
> 3.0.1x) was working just fine until I upgraded to FC6 and Samba 3.0.24.
> I had shares who where protected and only some users and groups can
> access them. I used valid users = @wireless, where the group wireless
> had 10 users. Before the upgrade this was working just fine. Now
> nobody from @wireless group members can access the share. For the
> moment I got around it by listing every user of the group @wireless in
> the "valid users = user1 user2" line. I did some research and found
> that samba version 3.0.24 uses something called "getgroupmap". OK here
> are the questions:
> q1) How to include my existing groups into the new samba setup, without
> redoing everything.
> q2) My server is a PDC, is it possible for samba to act as a AD controller?
> q3) What is the correct way to setup a PDC using samba 3.0.24, and have
> the group permissions work correctly?
> q4) Are there any how to's on working with the new group permissions and
> why did it change?
> q5) Some of the research was mentioning off group permission problems
> and bugs within the new version of samba 3.0.23 and greater. Is this
> also the case with version 3.0.24 and how do I get around it?
> Thank You
> Sincerely,
> Ralf Wiegand

Try using net groupmap list to identify your current group mappings.

If your old groups are not being recognized, the group mapping might not
have survived the upgrade. You may need to reset them using the net
groupmap command. Entering net groupmap by itself will give you some
basic help information.
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