But ok, if on another computer everything works well then it means that problem is somewhere inside my system. This is development computer so this can happen. I'll try to...

Sure. Without it changes in ipv6 don't come into force.

Tried it. Didn't help :(.

Ipv6 i already disabled. So looks like reinstall. Of the all system...

You mean SP1 of SQL Express?

SQL server is listening on it's default TCP port 1433 and (surprise!) TCP port 49955 both on ipv4 and ipv6. I can successfully connect to it both from local and...

Thanks, but http://msdn.microsoft.com/en-us/library/ms177440.aspx is about different issue. It is about sql server itself which works well. But my question is about sql server browser and it's ignoring of...