[Networker] NMC - "Can't decode result" error?

2012-01-19 10:17:23
Subject: [Networker] NMC - "Can't decode result" error?
From: Michael Leone <Michael.Leone AT PHA.PHILA DOT GOV>
Date: Thu, 19 Jan 2012 10:15:39 -0500
Here's a weird one. I run an NMC console on a Win XP VM (NW 7.6.2). Been 
running fine for years. I have 4 NW servers (1 Network Edition, 3 
Workgroup Editions). This morning, when I connect to the Network Edition, 
I get an error of "Can't decode result", and then it says the server is 
unavailable. Even odder - I get the same result with one of the Workgroup 
servers (same error message, same server is unavailable). One of the other 
Workgroup servers shows that "Can't decode result" message, .. but still 
connects. I can see clients, groups, devices, monitor - everything. The 
last Workgroup server? No error messages at all, everything is normal.

Strange, huh?

I cleared Java cache, temp files, the classic Windows solution of "reboot 
- that fixes stuff". Nothing.

All the NW servers are running normally, based on the group completion 
emails I am getting. I just can't access them using NMC anymore. Nothing's 
changed on that VM that I can see - no programs installed, updated, or 
removed. Correct version of Java (6.0.26). I get the same error from 
another workstation, if I point my browser at that VM and try to run the 
NMC that way.

Which tells me that it *must* be the NMC Console Server install on the XP 
machine that has gone psychotic and anti-social, although I haven't found 
a reason why it should suddenly stop working. 

I'm going to try completely removing the Console and Console Server and 

Anyone ever seen anything similar?

Michael Leone
Network Administrator, ISM
Philadelphia Housing Authority
2500 Jackson St
Philadelphia, PA 19145
Tel:  215-684-4180
Cell: 215-252-0143
<mailto:michael.leone AT pha.phila DOT gov>

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