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IIS + Skype = Unable to bind to the underlying transport for [::]:80

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The same error hit one of my colleges one year ago and two years ago and so on.
The error is from IIS and sounds like this:
Unable to bind to the underlying transport for [::]:80.
The IP Listen-Only list may contain a reference to an 
interface which may not exist on this machine. 
The data field contains the error number.
From command line we can use “NETSTAT –ano” to see what process is blocking our port.
TCP    0.0.0.0:80             0.0.0.0:0              LISTENING       2288
Once we identify the PID (2288) of the process that use our port we can take a look in the Task Manager and identify the process that is using 80 port. And YES, the process that is using port 80 is SKYPE.
I don’t understand why Skype needs to use port 80. Hate it!

Comments

  1. Bogdan MarianJuly 9, 2014 at 5:36 PM

    In order to have Skype *not* use the port 80, do the followings:
    go to Skype -> Tools -> Options -> Advanced -> Connection -> Uncheck the "Use port 80 and 443 for additional incoming connections".
    That's it.

    ReplyDelete
  2. AnonymousJuly 9, 2014 at 10:12 PM

    Because most firewall let port 80 through :-)

    ReplyDelete

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