Remote connect failed

Hello,

I want connect from one IIS Server to another server.

A lot of connections to other servers wworks but one connection not.

Ther error message at ui is, after i have type in my password:

Could not connect to the specified computer.

Details: The underlying connection was closed: An unexpected error occurred on a send.

I tried this command netsh http show urlacl and the result is:

....

   Reserved URL            : https://*:8172/

        User: NT SERVICE\WMSVC

            Listen: Yes

            Delegate: No

            SDDL: D:(A;;GX;;;S-1-5-80-257763619-1023834443-750927789-3464696139-

1457670516)

.....

I hope somebody can help me,

Horst