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Can't setup the CA PPM Addin - the MS Project integration Fails


Article ID: 108040


Updated On:


Clarity PPM SaaS Clarity PPM On Premise


End user is trying to set up CA PPM and MS Project and encounters "general" difficulties.

Such as:
* Cannot download MPP (RW) from CA PPM (Clarity).
* Cannot integrate MPP (MS Project) with CA PPM.


Release: All supported Releases

Component: PPMMSP


  • If on 15.6 or lower: Using MS Project 365 version. Office 365 is supported with the MSP Interface starting in 15.6.1. 
  • Using the CA PPM 64 bit MS Project download on a 64 bit Windows client, when the MS Project is actually 32 bit installation. 
The CA PPM download needs to match to the MS Project bit version, and NOT to the client operating system bit version. 
  • Using MS Project with an old Microsoft Project update. 


1) Check the versions of the below to make sure the MSP version is supported with your version of the MSP Interface, and that the MSP Interface matches your version of Clarity

* CA PPM - (Click About in the right hand corner of clarity)
* MS Project - 
* MSP Interface/Addin version/driver

2) If using the MSP New driver with MSI, make sure that have a supported MSP Update installed:

3) If an incorrect bit level version or MSP Driver version is found, it's recommended to do a clean uninstall following these instructions: 

* The full setup is documented here: 

* Once a clean install is done, check to make sure the settings in MSP for the project match that as the required / recommended for your Clarity MSP Interface version. - See