If you're using R5 or later, the Administration Client has handy tools for doing just this sort of thing. You can find a Recertify... option under the tools when you are "attached" to your server (the server has to have the certlog set up, etc), and then you can select the ID's you want to recertify and let it run through them.
Dig Deeper on Domino Resources - Part 6
Related Q&A from Todd Fuder
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.