[ubuntu-uk] Falling off Active directory

[Grant Sewell]

On Fri, 20 May 2011 09:56:36 +0100
Toby Satchell wrote:

> Hi,
> 
> We have a number of Ubuntu servers 10.04.
> 
> They join to active directory run by Windows Server 2008 R2 very well.
> 
> However it seems they appear to fall off or loose a connection with
> the AD servers. It took 9 days last time.
> 
> There isn't anything useful in the logs to explain why.
> 
> The only way previously was to reboot the machine, which is not
> really an option at times.
> 
> We have just found that killing winbind and starting it again fixes
> the issue without have to reboot the server.
> Restarting winbind does not fix it it doesn't even appear to restart
> in the process list, seems more like a reload.
> 
> We have tried many other solutions and none have they worked.
> Aside from making a really dodgy cron script to kill and start
> winbind every 7/8 days does anybody know of a fix/solution?
> 
> Has anybody else had this problem?
> 
> Kind regards,
> 
> Toby.

All joking apart, have you tried looking at the Windows Server 2008 R2
event logs to see if that end gives you any hints?

Grant.