[cisco-voip] VNC Connection Flakey?

[Chris Clouse]

That’s the beauty of it, you can’t.  Some versions of CSA will permit the VNC connections with no problems.  Other times you are taking trips to remote data centers to power-off the servers and reboot.  I know that it doesn’t have issues in the most recent version that I used.

~Chris

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of thomaslemay at comcast.net
Sent: Tuesday, February 17, 2009 8:35 AM
To: Jason Aarons (US)
Cc: cisco-voip at puck-nether.net; Steve Miller
Subject: Re: [cisco-voip] VNC Connection Flakey?


Jason,



I run the Cisco Microsoft security wizard every month and it includes the stand alone CSA update.  Wit hthis version of CSA there is no way for me to configure CSA to allow or permit anything.  So, if I am using VNC remotely to perfrom maintenance and updates, how does one avoid this pop up with CSA?  I unchecked the use vnc hooks to track desktop changes and checked use windows polling.



Tom
----- Original Message -----
From: "Jason Aarons (US)" <jason.aarons at us.didata.com>
To: "Steve Miller" <MillerS at DicksteinShapiro.COM>, "Thomas LeMay" <thomaslemay at comcast.net>, "Peter Slow" <peter.slow at gmail.com>, "Jason Burns" <burns.jason at gmail.com>
Cc: "cisco-voip at puck-nether.net" <cisco-voip at puck.nether.net>
Sent: Tuesday, February 17, 2009 8:25:50 AM GMT -05:00 US/Canada Eastern
Subject: RE: [cisco-voip] VNC Connection Flakey?

If you choose CSA updates you will experience this, it warns bout this
in the release notes. I've also seen where after reboot the CSA pops up
a permit/disallow VNC which you don't get on the VNC session.

Some NIC driver updates have caused me to reconnect via VNC.

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Miller, Steve
Sent: Tuesday, February 17, 2009 7:53 AM
To: Thomas LeMay; Peter Slow; Jason Burns
Cc: cisco-voip at puck-nether.net
Subject: Re: [cisco-voip] VNC Connection Flakey?

I have definitely had OS updates when the server "hung" with VNC and I
had to go physically push the power button on the server, but I don't
recall having a server hand on a simple reboot.


Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com


-----Original Message-----
From: Thomas LeMay [mailto:thomaslemay at comcast.net]
Sent: Monday, February 16, 2009 8:30 AM
To: Peter Slow; Jason Burns
Cc: cisco-voip at puck-nether.net; Miller, Steve
Subject: RE: [cisco-voip] VNC Connection Flakey?

Recently, I discovered that Real VNC caused one of our Unity servers to
hang
on a reboot.  This meant that I could not access the server remotely
with
RDP, APC KVM or Real VNC.  It would hand right before Real VNC would
display
the prompt for the CRTL, ALT Delete so that I could enter the log in
credentials.

A quick look at the application logs pointed to Unity Cisco Security
Application preventing the Real VNC "hooks" which monitor graphical
changes
on the desktop.  Has anyone else experienced this?  I selected the
"windows
polling" option to avoid the use the "hooks" option.  The server
rebooted
without getting stuck.

Tom

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net]On Behalf Of Peter Slow
Sent: Monday, February 16, 2009 6:56 AM
To: Jason Burns
Cc: cisco-voip at puck-nether.net; Miller,Steve
Subject: Re: [cisco-voip] VNC Connection Flakey?

...Or make sure your server isn't experiencing outages or crashes due
to running out of memory or CPU. have you checked for anything like
that?

-Peter

On Sat, Feb 14, 2009 at 10:32 AM, Jason Burns <burns.jason at gmail.com>
wrote:
> Use Remote Desktop instead? As long as you're not doing any installs I
> prefer RDP.
>
> On Sat, Feb 14, 2009 at 8:22 AM, Miller, Steve
> <MillerS at dicksteinshapiro.com> wrote:
>>
>> Has anyone ever experienced a problem with VNC connection ability
coming
>> and going?  I know that I need to restart the service every once in a
while,
>> but I have a couple Call Manager servers that are doing this a bit
too
>> regularly.  Any suggestions?
>>
>>
>> Steve Miller
>> Telecom Engineer
>> Dickstein Shapiro LLP
>> 1825 Eye Street NW | Washington, DC 20006
>> Tel (202) 420-3370| Fax (202) 330-5607
>> MillerS at dicksteinshapiro.com
>>
>>
>>
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