[Samba] Failed DNS update - NT_STATUS_IO_TIMEOUT ( and solved)

[Bob of Donelson Trophy]

Your saying you had to restart twice to get "checkrestart" to clear up? 

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Bob Wooden of Donelson Trophy

615.885.2846 (main)
www.donelsontrophy.com [1]

"Everyone deserves an award!!"

On 2015-02-27 02:58, L.P.H. van Belle wrote: 

> Hai, 
> 
> Just a tip for the people reading the list. 
> 
> if you see Failed DNS update - NT_STATUS_IO_TIMEOUT or messages : RPC unavailable if you connect from windows client to the samba AD DC server
> 
> Read this.
> 
> I have a "test' AD DC on a XEN server running and this DC does nothing. 
> 1 pc ( win7) is joined, some dns recored are set, nothing special.. 
> 
> today i checked the logs, and totaly out of the blue is see.. 
> 
> [2015/02/24 15:11:44.480393, 0] ../source4/smbd/server.c:370(binary_smbd_main)
> samba version 4.1.16-SerNet-Debian-9.wheezy started.
> Copyright Andrew Tridgell and the Samba Team 1992-2013
> [2015/02/24 15:11:44.736117, 0] ../source4/smbd/server.c:488(binary_smbd_main)
> samba: using 'standard' process model
> [2015/02/24 15:11:44.968111, 0] ../lib/util/become_daemon.c:136(daemon_ready)
> [2015/02/26 02:22:16.882555, 0] ../source4/dsdb/dns/dns_update.c:294(dnsupdate_nameupdate_done)
> ../source4/dsdb/dns/dns_update.c:294: Failed DNS update - NT_STATUS_IO_TIMEOUT
> [2015/02/26 02:32:16.902489, 0] ../source4/dsdb/dns/dns_update.c:294(dnsupdate_nameupdate_done)
> ../source4/dsdb/dns/dns_update.c:294: Failed DNS update - NT_STATUS_IO_TIMEOUT
> .... until today.. 
> 
> now i did see.. 
> samba version 4.1.16-SerNet-Debian-9.wheezy started.
> 
> and i just remembered i saw and upgrade to 4.1.17.. 
> 
> apt-cache policy sernet-samba-ad
> sernet-samba-ad:
> Installed: 99:4.1.17-9
> Candidate: 99:4.1.17-9
> 
> so correct.. 
> 
> ( for debian apt-get install debian-goodies ) 
> i checked with : checkrestart 
> 
> and checkrestart reported me to restart: 
> service sernet-samba-ad restart
> service ssh restart
> service sudo restart
> service sernet-samba-smbd restart
> service sernet-samba-nmbd restart
> service bind9 restart
> 
> restarted, checked again, again the same restart where adviced. 
> so i restarted the server, and here you go... 
> away are the 
> 
> Failed DNS update - NT_STATUS_IO_TIMEOUT messages. 
> 
> Point of this story.. 
> 
> if you have : RPC Errors, or Failed DNS update - NT_STATUS_IO_TIMEOUT 
> check the running version and the installed version and restart samba services or your server. 
> 
> Greetz, 
> 
> Louis
 

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