[Samba] Replication Failing - NT_STATUS_IO_TIMEOUT

David Minard david at scem.uws.edu.au
Fri Sep 25 04:32:41 UTC 2015

G'day All,

     I'm trying to commission another DC (number 5) in our production 
set up, as we've opened up a new site.  All DCs are samba-4.0.25 self 

     When trying to domain join, all goes well until it starts to 
replicate.  I get this:

ERROR(runtime): uncaught exception - (-1073741643, 'NT_STATUS_IO_TIMEOUT')
line 175, in _run
     return self.run(*args, **kwargs)
line 552, in run
     machinepass=machinepass, use_ntvfs=use_ntvfs, dns_backend=dns_backend)
   File "/usr/local/samba/lib64/python2.7/site-packages/samba/join.py", 
line 1172, in join_DC
   File "/usr/local/samba/lib64/python2.7/site-packages/samba/join.py", 
line 1077, in do_join
   File "/usr/local/samba/lib64/python2.7/site-packages/samba/join.py", 
line 817, in join_replicate
line 248, in replicate
     (level, ctr) = self.drs.DsGetNCChanges(self.drs_handle, req_level, req)

It times out.  Is there any way to increase the time out periods for the 


David Minard.
Ph:    0247 360 155
Fax:    0247 360 770

School of Computing, Engineering, and Mathematics
Building Y - Penrith Campus (Kingswood)
Locked bag 1797
Penrith South DC
NSW 1797

[Sometimes waking up just isn't worth the insult of the day to come.]

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