Exchange Server 2007 SP2 Update Rollup 1 is available to download. Update Rollup 1 for Exchange Server 2007 Service Pack 2 (SP2) resolves issues that were found in Exchange Server 2007 SP2 since the software was released. This update rollup is highly recommended for all Exchange Server 2007 SP2 customers. For the details related to the issue fixed please refer Description of Update Rollup 1 for Exchange Server 2007 Service Pack 2.
Please note that if you are developing application based on Exchange Web Services then following are the issues fixed by Update Rollup 1 for Exchange Server 2007 Service Pack 2 (SP2):
- 973868 A delegate cannot cancel meetings in the organizer’s calendar by using Exchange Web Service (EWS)
- 973307 An application that uses Exchange Web Services returns an exception on an Exchange Server 2007 server
- 972009 E-mail messages cannot be retrieved by an Exchange Web Service (EWS)-based application if there are invalid control characters in the text body of the e-mail message
So, if you are on Exchange Server 2007 SP2; I would highly recommend you to download and install Update Rollup 1 to fix the know issued with Exchange Server 2007 SP2. Generally i always recommend to do the proper backups – especially of existing data(OWA customization files) before any update to avoid loosing the data – i heard it from many customers