Managing Multiple Versions of TestStand With TestStand Version Selector

Updated Jan 8, 2019

Reported In

Software

  • TestStand

Issue Details

  • I have one version of TestStand installed, I would like to install another version as well. I would like to know the following:
  1. Can I have more than one version of TestStand installed in parallel?
  2. How do I switch between different installed versions? 
  • I have multiple versions of TestStand installed. When I try to launch the TestStand Sequence Editor, either nothing at all happens, or I get the following error: The TestStand Engine cannot be initialized. You are trying to run the [x.y.z] sequence editor with the [x.y.z] engine. This is not supported. You can use the TestStand Version Selector to change the active TestStand engine version if you have more than one version of TestStand installed.
 

Solution

In general, it is possible to have multiple versions of TestStand installed in parallel. However, only one version of TestStand can be active and running at any given time.


You can select the version you wish to run by making it active in the TestStand Version Selector tool:

Note: If you have 32-bit and 64-bit versions of TestStand installed for the same version year, ensure they are the same version (e.g. 2017 and 2017, or 2017 SP1 and 2017 SP1). Mixing e.g. TestStand 2017 32bit with TestStand 2017 SP1 64-bit will not work.


You can launch TestStand Version Selector in the following ways:
  • Windows 10 and 7: Use the start menu: Start»All Programs»National Instruments»TestStand»TestStand Version Selector.
  • Windows 8 and 8.1: Click the NI Launcher tile on the Start screen and select TestStand»TestStand Version Selector.
  • Run C:\<Program Files x86>\National Instruments\Shared\TestStand Version Selector\TSVerSelect.exe.



The error message shown in the Issue Details section above can be fixed by opening TestStand Version Selector and making the desired version active. The error message is the result of attempting to open a version of TestStand that is not the currently active version. The error message indicates which version is currently active and which version you are trying to open. In the case depicted above, we are trying to open TestStand 17.0.0 while Teststand 4.2.1 is marked as active.

Additional Information

  • For more information about what happens when a specific TestStand version is made active, please see TestStand Version Selector.

  • With the release of TestStand 3.1, the TestStand Version Selector was introduced to facilitate having multiple versions of TestStand installed on a computer. See TestStand 3.1 Release Notes for more information.

 

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