Are you trying to build a SQL Server database project and getting
The imported project "C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v10.0\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets" was not found. Confirm that the path in the <Import> declaration is correct, and that the file exists on disk.
We had this recently when trying to build one SSDT solution but not when building another.
Checking the build agent the error was correct that file didn’t exist. But later versions did.
A nice feature of TFS is that on clicking the error in build it takes you to the exact point in the sqlproj file that the error relates to.
< Import Project="$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v$(VisualStudioVersion)\SSDT\Microsoft.Data.Tools.Schema.SqlTasks.targets" />
You will see that the path is made up of a number of components. Importantly $(VisualStudioVersion) defines the folder it looks for the targets file in.
Where is this property set?
We did some digging and found that the solution files differed.
The one that worked looked like this
Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 2012
and the one that failed looked like this,
Microsoft Visual Studio Solution File, Format Version 11.00
# Visual Studio 2010
As I#m sure you’ve done we put 2 and 2 together and figured that $(VisualStudioVersion) was being set by VS based on the solution file version.
We changed the solution file that wasn’t working to point to Visual Studio 2012 and hey presto it all worked.
This means that if you have multiple versions of Visual Studio installed then you could end up with odd behaviour with automated builds.
There are a few things that are bad IMHO
1. there is no way in the IDE (that I can find) to see that the solution is targeted to Visual Studio 2010 and not Visual Studio 2012
2. no way to change it without editing the solution
3. the fact this property is in the solution and not the project.
Options you have as described in the blog post
1. Put <VisualStudioVersion>11.0</VisualStudioVersion> in a property group in your msbuild file
2. Put <VisualStudioVersion>11.0</VisualStudioVersion> in a property group in your sqlproj file
3. Pass as a property when calling msbuild i.e. /p:VisualStudioVersion=11.0
4. Create a new solution with a header matches the version of VS you want to use
5. Change the solution so the header matches the version of VS you want to use