you haven't tried experimenting with backing up and restoring the samba password cache. look in /var/*/samba and /var/*/*/samba for files related to the password cache to backup and restore.

On 1/10/2011 10:45, Devon Crouse wrote:
I often change configurations in a home server environment, and have scripts
to back up all config files etc. - on a fresh OS install I can quickly
restore function of all the services I'm running.

I'm using version 3.4.7 as a PDC on Ubuntu with 4 Windows 7 clients.  I can
restore smb.conf which gets the file shares and server configuration back,
but I lose the trust relationship with the clients and I can't figure out
how to get it back (short of completely clearing all the profiles and
dropping/adding to the domain.)  I'm making the following assumptions:

  - There must be some sort of signature for the Samba/OS installation that
changes
  - This signature must be recorded in Windows somewhere for it to validate
the relationship (like known_hosts)

I've tried the following in just about every order you can imagine:

  - Modifying/removing the profile registry entries in Windows
  - Removing/restoring the user directory in Windows
  - Removing/restoring the profile.v2 directory in Ubuntu
  - Experimenting with various local policy settings in Windows
  - Re-adding client to the domain
  - Using smbpasswd to recreate the users

There must be something I can backup/change to retain/reestablish the trust
relationship without having to scrap all the user profiles?  Thanks in
advance - all my reading so far has been of little help.


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