Wednesday, May 22, 2013

Windows 7 profile trouble

Event ID 1511: Windows cannot find the local profile and is logging you on with a temporary profile. Changes you make to this profile will be lost when you log off.

Or

Event ID 1521: Windows cannot locate the server copy of your roaming profile and is attempting to log you on with your local profile. Changes to the profile will not be copied to the server when you log off. This error may be caused by network problems or insufficient security rights.

  • Login as a different user (with admin rights)
  • Under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList, find Keys named SID.bak (like "S-1-5-21-4129847285-3583514821-2567293568-1001.bak")
  • Delete them
  • If needed, delete C:\Users\USERNAME

This seems to happen when a machine on the network thinks it is the domain master browser and convinces the real PDC of it. I have seen it happen with a Mac (10.6.8), and with a new NAS. They were both running Samba (just like the actual PDC which is a Debian Samba server).

To prevent Samba on these machines to try to become domain master browsers, add this to the [global] section of /etc/smb.conf (or /etc/samba/smb.conf, or whatever it is on your machine):

os level = 1
lm announce = No
preferred master = No
local master = No
domain master = No

Maybe "os level = 1" is exaggerated, but I used that anyway. The "local master = no" setting doesn't get activated on the Mac (testparm -sv | grep master still shows it set to Yes), but it works anyway now.

To check the master browser from Linux or Mac: nmblookup -M YOURDOMAIN or nmblookup -M -- - for all, which may show others which are not in the same domain/workgroup.

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