Solution
This is an known issue, and NI lists it with the bug number 2629132.
To be able to deploy the Sound and Vibration Toolkit, follow these steps:
- Close NI MAX.
- Go to C:\Program Files (x86)\National Instruments\RT Images\Sound and Vibration\21.5
- Rename oder delete install.cdf
- Download the install.cdf file attached to this KB, and place it in the folger mentioned above.
- Start NI MAX again.
Now you will be able to select and deploy version 2021 of the NI Sound and Vibration Toolkit.