This page has the information to extend the invitation time out to 99 days.
Its a group policy setting...
http://theillustratednetwork.mvps.or...ssistance.html
With that said perhaps you might consider UltraVNC as an alternative...
http://www.uvnc.com/
....or TeamViewer...
http://www.teamviewer.com/index.aspx
--
Al Jarvi (MS-MVP Windows – Desktop User Experience)
Please post *ALL* questions and replies to the news group for the
mutual benefit of all of us...
The MS-MVP Program -
http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no
rights...
How to ask a question
http://support.microsoft.com/KB/555375
"farmerj" <farmerj@discussions.microsoft.com> wrote in message
news:B6367CE9-DD89-4E07-ABC4-3F409EB4D275@microsoft.com...
>I am trying to use Remote Assistance to control a computer that is testing
> some highly energetic materials. At times during the testing process it
> is
> necessary to have someone at the remote computer and another operator at
> the
> local computer. Both want to see whats going on on the local computer at
> the
> same time, therefore Remote Desktop won’t work. These computers are on an
> isolated LAN so I am not worried about viruses and such. I don’t have a
> domain set up or active directory but have found that using a ticket in a
> files works well to establish the remote connection. The problem I have
> is
> that its difficult to get a new ticket every time I need to establish the
> remote connection. I have tried to extend the expiration time but I get a
> message that 1 hour is the maximum time allowed although the drop down
> lists
> go out to 99 days. I have also tried to change the maximum expiration
> time
> in the System, Remote tab which is set to 30 days and although the drop
> down
> list allow up to 99 days it will only accept a maximum of 30 days which is
> much more than 1 hour but I still only get 1 hour when creating a ticket.
> Any help would be appreciated.
> --
> farmerj