Is it necessary to uninstall Rollup 3 and 4 for Rollup 5? On my Exchange 2007 SP1 server I have 3 and 4 listed in view installed updates. I don't have any interim installs just the release ones of 3 and 4.

Hi,No,Update Rollupsare a cumulative updates which replaces previous rollups so you don't require to install previous rollups...http://support.microsoft.com/?kbid=953467- check "Update replacement information" in the article.Amit Tank || MVP - Exchange || MCITP - Exchange 2007 || http://ExchangeShare.WordPress.com

Thank you very much Amit. I couldn't find that article. I get nervous with Rollups.