Today the Exchange CXP team released Update Rollup 7 for Exchange Server 2007 SP3 to the Download Center.
This update contains a number of customer-reported and internally found issues since the release of SP3 RU6. See KB2655203: Description of Update Rollup 7 for Exchange Server 2007 Service Pack 3 for more details.
Note: Some of the following KB articles may not be available at the time of publishing this post.
We would like to specifically call out the following fixes which are included in this release:
- KB2617514 Include updated version of Portuguese-Brazil speller.
- KB2696649 Exchange 2007sp3/2010 OWA CSRF via Cookie Tossing.
- KB2696628 Read Receipt is still duplicated when connecting IMAP.
Note that this fix will resolve the CAS to CAS OWA proxying incompatibility with Exchange 2010 SP2 RU1 as discussed here.