UltraVNC

a new version form "repeater webgui 2011" can by downloaded and solved my problem

4) Connect Viewer ID+ABCD:1234 ( update 2013: - replaced by +, else hostnames with a "-" can't be used.

I have Repeater 2011 V2.00 running on windows server 2008 R2

resolving hostname faild, but only when ther is a minus hyphen ('-') in the hostname

for example when i try to access host SERVER1:
resolving host by name: SERVER1
resolved: SERVER1(192.168.0.82)
connecting to 192.168.0.82:5900

for ...