The user stations that will run the Publish task will have to install a certificate on their machine.

This certificate containing the private and public key (.pfx file) will be provided by the Microsoft AzureAD administrator.


Just double click on the certificate file:


 


Select Current User and click Next:


 


Check the path of the file to be imported and click Next:


 


Do not change any import options (Enhanced private key protection must not be enabled)

Fill in the certificate password provided by the administrator and click Next:


 


Select the "Personal" store by clicking on Browse and then click on Next:


 


Finally, click on Finish in this window: