Not all C# projects analysed for a .sln file

Using SonarQube (Community edition) plugin for VSTS to analyse .NET solution file.
SonarScanner for MSBuild 4.6.2
SonarQube Scanner
SonarQube server 7.8.0

Trying to analyse .sln file which has 12 projects. But SonarQube is analysing only 10 projects.

Attached is the log file.
SonarQubeAPILog.txt (4.7 KB)

The highlighted projects in the below image are not analysed.

The two projects for which the analysis is not run miss the below lines in the log.
INFO: Sensor C# Properties [csharp]
INFO: Sensor C# Properties [csharp] (done) | time=16ms

Please let me know if any more information is needed.