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Failed to detect version of solution/project file
Posted by Yoni Davidson, Last modified by Yoni Davidson on 27 December 2017 09:08 AM


The following error is shown when trying to perform a build:

Failed to detect version of solution/project file: C:\xxx\xxxx\xxxxx.sln
Failed to load solution file: C:\xxx\xxxx\xxxxx.sln (line 0)
Unknown file format signature.


This issue tends to be fixed with IncrediBuild internal version1498 and on (V5.5 already contains this fix) or by adjusting the .sln file so the "visual studio" line will contain the full version number, such as - 2010, 2012 etc, rather than just 10, 11,12, etc…
In some cases, usually after upgrading from older Visual Studio version, the .sln file might contain the following line which is not valid:

# Visual Studio 2011

Adjusting it to the one of the following options will solve this problem:
# Visual Studio 2010
# Visual Studio 2012
# Visual Studio 2013

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