DFS , XP and user mapping
Henrik.Beckman at sgu.se
Thu Mar 8 09:25:25 MST 2012
We have a small issue with DFS in samba 3.5.11, our server is using ADS
and likewise, AD is windows.
Users are mapped to unix user, our older dfs 3.0.28 based samba with
security domain is ok with xp but works on ip only in win 7.
3.5.11 works ok with Win7 but not with XP, however accessing on \\IP
\dfsshare in XP works.
So this point to auth problems. Samba seems to map user ok on win 7 users
but win xp users get SID=NULL and is then mapped to root, this causes
samba refuse dfs connections.
By now trying any more smb.conf switches will only lead to further
change_to_root_user: now uid=(0,0) gid=(0,0)
[2012/03/08 14:30:02.801036, 4] smbd/reply.c:786(reply_tcon_and_X)
Client requested device type [?????] for share 
[2012/03/08 14:30:02.801062, 3] smbd/service.c:1222(make_connection)
refusing connection to dfs proxy share '14006' (pointing to
[2012/03/08 14:30:02.801073, 3] smbd/error.c:80(error_packet_set)
error packet at smbd/reply.c(795) cmd=117 (SMBtconX)
Sveriges Geologiska Undersökning (SGU)
SE-751 28 Uppsala
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