Quote Originally Posted by RobDog888
Seems like you shouldnt have to terminate the process in order to hang up the connection. Do you have something using it still that could be holding it open?
Yes, that's the point of this thread. The OP wants to access a Modem that's in use by another app. I think this is a dead end though. I think all those API's and links to API's by dee-u are misleading. My guess is that none of those API's will close a connection unless the VB app initiated the connection in the first place.