How to fix: BOARD Engine not starting - Only one usage of each socket address is permitted

Document created by fdonatellis on Aug 8, 2018
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This is a very rare case of Board Engine crashing due to faulty .NET 4 updates.


Symptoms: BoardEngine crashes, Board Engine can not be started, IIS Service is not available

In the event viewer you find entries like this:

Application: BoardEngine.exe
Description: Cannot start Board 10 Server. Original cause: Only one usage of each socket address (protocol/network address/port) is normally permitted.

The issue is caused by a problem in recent .NET 4 updates, Microsoft explain the issue in this article: 



Follow the instructions described in the article and install the correct patch according to your operating system.


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