WebAccess Installation fails with "Setup could not detect the WCF HTTP Activation" (kb4262)

The information in this article applies to:

  • Microsoft Windows Server 2008 R2 SP1
  • Microsoft Windows 7 SP1
  • SwyxWare 2011
  • SwyxWebAccess v7.00
  • SwyxWare v7.00
  • SwyxWebAccess v6.30
  • SwyxWebAccess v6.25

[ Symptoms | Cause | Resolution | Status | Further Informationen ]


The WebAccess installation is aborted with the message: "Setup could not detect the WCF HTTP Activation". This problem only appears on machines which run Windows 7 SP1 or Windows 2008 R2 SP1.



1.) Ensure that your computer system meets all the requirements described in the Swyx WebAccess manual.

2.) Run the WebAccess with the following command line:

SwyxWebAccessSetup.exe /skip
The Setup will start without the corresponding error message and the installation can proceed normally.


Workaround available. (see above)

Further Informationen


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