Re: VNC server stops responding after a few days

James Wheaton <jwheaton@xxxxxxxxxxxxx> · Wed, 16 Nov 2011 12:50:49 -0500

Hi Phil,

The DHCP addresses go from 100 to 253 while the computers running VNC 

have static IPs less than 100 (99, 98, and 97).

James Wheaton
FloSource, Inc.
Phone: 765.342.1360
Fax: 765.342.1361

Visit us on the web: www.flosource.com <http://www.flosource.com>

On 11/15/2011 2:11 PM, Long, Phillip GOSS wrote:

James:

Is your static IP address in the range of the router's DHCP
addresses?  That won't work, because the computer, knowing that it
has a static IP, won't request a lease renewal, and after some
maximum amount of time, the DHCP server will try to force one.
What will happen in this case depends greatly on the software and
OS the computer is running, and on the behavior of the router.  I'm
not a network guy, but I do know that unless your router is more
sophisticated than the average small-office router, static IP
addresses *MUST* be outside any range of DHCP addresses of your
router.

					Thx, Phil Long

-----Original Message-----
From: vnc-list-bounces@xxxxxxxxxxx [mailto:vnc-list-bounces@xxxxxxxxxxx]
On Behalf Of James Wheaton
Sent: Monday, November 14, 2011 12:44 PM
To: vnc-list@xxxxxxxxxxx
Subject: Re: VNC server stops responding after a few days

The computer will work in other ways but not with VNC. It's set as
static IP, so the router should be giving the same IP after the lease
times out.

James Wheaton
FloSource, Inc.
Phone: 765.342.1360
Fax: 765.342.1361

Visit us on the web: www.flosource.com<http://www.flosource.com>

On 11/14/2011 12:07 PM, Paul Dunn wrote:

On 14/11/2011 16:41, James Wheaton wrote:

Hi everyone,

We've got a problem with RealVNC server which stops working after a

few

days. A computer reboot is required to get it to work again. The

error

message upon connecting is: unable to connect to host. 2 computers do
this on the regular and they have Windows XP installed. Is this a

known

problem? Any idea what could be causing it?

DNS lease timeout?

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