Try putting a text file in etc called nologin.  I put the following text in it:

#####################################################

     ***** Maintenance being performed *****

Please reset your Sun Ray appliance by pressing the

 Control and Crescent Moon keys simultaneously or

     Control-Alt-Delete-Delete on PC keyboards.

#####################################################

This won't prevent direct connections, but does warn SunRay sessions.

Jay Tuckerman
Systems Administrator
Alltel Wireless NOC

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Gary Mills
Sent: Wednesday, September 26, 2007 11:35 AM
To: [email protected]
Subject: [SunRay-Users] How to prevent new session creation for an
upgrade?


I have two X4200 Sun Ray servers in a failover group.  Both are
running version 3.1.  I'd like to upgrade them to Sun Ray Software 4
09/07, which also requires upgrades to Solaris 10 8/07 by reinstall.
How do I prevent new session creation on one of them so I can upgrade
that one first?  I've already tried `/opt/SUNWut/sbin/utadm -f', but I
still see new sessions there after running that command.

-- 
-Gary Mills-    -Unix Support-    -U of M Academic Computing and Networking-
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