Hello,
Don't know all the details, but GST service as with previous versions of 
Networker is replaced by a different service to my knowledge in 7.5, check 
the services and see if it's started or not.
HTH



tkutil <networker-forum AT BACKUPCENTRAL DOT COM> 
Sent by: EMC NetWorker discussion <NETWORKER AT LISTSERV.TEMPLE DOT EDU>
12/30/2008 08:15 AM
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Subject
7.5 Problems






I upgraded to 7.5 yesterday and everything seemed to be working ok, even 
this morning. I needed to restart the networker server and now I cannot 
login to NMC.

Error message
Problem contacting server. Connection refused. connect

Any ideas???

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