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Re: Workgroup Manager connection dead

At 12:38 AM -0400 4/30/03, Kyle Crawford wrote:
One of our Xserves will not allow Workgroup Manager to connect either locally or remotely. The error when connecting states something like `service is unavailable` and never even attempts to authenticate. Nothing displays in the server's system.log.

A port scan reveals that port 625 is not available, which I believe is what WGM uses based on a tcpdump of a working WGM connection.

625 is the DirectoryService listner. WGM authenticated there and then does most (?all) of its work over other ports.


No firewall is running.

I can't seem to figure out what daemon listens on 625. The servermgrd and server_settingsd (I am not in front of it, so I don't remember the exact names.) only seem to listen on 660 and seem to only be used by Server Status or possibly Server Settings, which do work.

DirectoryService listen on 625 if /Library/Preferences/DirectoryService/.DSTCPListening exists.


top shows DirectoryService as using cpu as WGM attempts to login on a working WGM connection. I am wondering if WGM is talking directly to DirectoryService or if it is channeled through a separate daemon?

WGM toalks to DirectoryService running on the other machine via 625.

If it is talking directly, then why is my DirectoryService not listening on 625? I have kill -9ed DirectoryService and have done a complete reboot as well.

If it is DirectoryService related, I am thinking of trashing /var/db/SystemConfiguration/preferences.xml

Directory Service keeps very little there. Only NetInfo parent related data. See the above referenced directory.

and resetting network and Directory Access settings from scratch. The problem server is one of several netinfo children binding using broadcast to a master which is also running PasswordServer (A netinfo clone is also available for directory service failover, though not passwords). The other netinfo children servers are fine, and the configuration seems to be the same. The WGM problems on this one server began in 10.2.4 and continue in 10.2.5.

I would not upgrade any production servers or clients I manage to 10.2.5. I thought. I could get away with it today (despite my negative testing) and it bit me (DS had lots of CLOSE_WAITS to PasswordServer... it was ugly).

--

http://www.4am-media.com
Mac OS X Consulting and Training
Michael Bartosh
email@hidden
303.517.0272
Denver, CO


"The surest way to corrupt a youth is to instruct him to hold in higher
regard those who think alike than those who think differently."

- -- Nietzsche
Think Different.
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 >Workgroup Manager connection dead (From: Kyle Crawford <email@hidden>)



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