When performing distributed processing, the DPEs say they're "connected" but are never assigned work.
Neither "%WINDIR%\Microsoft.NET\Framework\v4.0.30319" or "%WINDIR%\Microsoft.NET\Framework64\v4.0.30319" contain System.ValueTuple.dll.
- Download and install .NET Framework 4.7.2 Runtime
- Restart the DPE
Note: .NET 4.7.1 and 4.7.2 can also be installed via Windows Update.
FTK/Lab 7.1 requires the System.ValueTuple assembly in .NET. This is included in .NET 4.7.1 and newer.