NI TestStand Unable to load VI with the LabVIEW Run-Time Engine version

Updated Jun 8, 2026

Reported In

Software

  • TestStand
  • LabVIEW

Issue Details

I'm calling LabVIEW VIs that Invoke .NET Code in TestStand and I'm receiving the following error:

Solution

Beginning with NI TestStand 2025 Q2, the invocation of .NET Framework code using the LabVIEW Run-Time Engine is no longer supported.

For further details, please consult the following documentation: Calling LabVIEW VIs That Invoke .NET Code in TestStand - NI 

Related Links

Calling LabVIEW VIs That Invoke .NET Code in TestStand - NI

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