This is one of those tips I need to write down, before I forget…
Sometimes Analysis Services acts up and you need to do a process full on all the dimensions in the database. When that happens I usually turned to Visual Studio Business Intelligence Development Studio [BIDS] or SQL Server Data Tools [SSDT], which allows you to select more than one dimension at a time, and fire up the processing. See figures below:
Via BIDS
Open a connection to a “live” database

Choose which server/database to connect to:

Select all dimensions and right-click:

Finally, choose processing mode:

Via SSMS
Until today, I didn’t know you could actually do the same action through SQL Server Management Studio [SSMS]. You do as following:
Connect to the server:

Expand till you get to the Dimensions folder:

Hit F7 to open the Object Explorer Details:

Select Processing Mode:
