ChunkVNC - Prompt UAC during a VNC session

Simple, Free, Open Source UltraVNC Wrapper Supporting Windows and Mac OSX.

ChunkVNC - Prompt UAC during a VNC session

Postby int3 » 2014-05-21 11:26

Hello everyone,
I'm stuck on a huge problem. I need to access several machines running ChunkVNC, but all these machines are local users or non-administrators. So anytime I want to do something that requires high level of Administration my screen feezes.
Some aspects I need to be clear here before anyone post anything: I Won't remove UAC from whole system due to security concerns.

Any help is appreciated.

Posts: 2
Joined: 2014-05-08 20:49

Re: ChunkVNC - Prompt UAC during a VNC session

Postby toz » 2014-06-07 16:39

I suppose it won't work if user don't have admin rights.

Have you tried to :
- Take control
- Right click on the tray icon, choose "Install as a service"
- Write down the ID shown
- Ask the user to confirm UAC window
- Reconnect using ID
Posts: 3
Joined: 2014-06-06 09:09

Re: ChunkVNC - Prompt UAC during a VNC session

Postby gumbo » 2014-07-12 12:12

If you search this forum there is a post I made years ago with a code change that fixes this. With the code change, you right click the icon and choose "install as service with admin credentials". Then you type in the admin credentials and it installs it as a service for you giving you full access to the computer even for users that are not local admins.

here is the code change required: viewtopic.php?f=50&t=27432&p=83554#p83696
Posts: 11
Joined: 2011-01-28 22:09

Re: ChunkVNC - Prompt UAC during a VNC session

Postby mas » 2014-11-26 09:30

I tried to get around the same problem with your patch but didn't succeed. Changing with runas to an administrator didn't elevate so that service-installation wasn't allowed. Running the service-installation with shellexecute and parameter "runas" after switching to the administrator worked.

I posted a changed version of InstantSupport.au3 in which also supports deinstallation of the service with the already given credentials when finished.
Posts: 4
Joined: 2014-11-22 21:45

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