Update 6/13/13: we added a known issue with transport rules to the blog post below.
Today the Exchange CXP team released Update Rollup 1 for Exchange Server 2010 SP3 to the Download Center.
Note: Some of the following KB articles may not be available at the time of publishing this post.
This update contains fixes for a number of customer-reported and internally found issues. For more details, including a list of fixes included in this update, see KB 2803727. We would like to specifically call out the following fixes which are included in this release:
For DST changes, see Daylight Saving Time Help and Support Center (microsoft.com/time).
You cannot install or uninstall Update Rollup 1 for Exchange Server 2010 SP3 on the double-byte character set (DBCS) version of Windows Server 2012 if the language preference for non-Unicode programs is set to the default language. To work around this issue, you must first change this setting. To do this, follow these steps:
After you successfully install or uninstall Update Rollup 1, revert this language setting, as appropriate.
We have identified the cause of this problem and plan to resolve it in a future rollup, but did not want to further delay the release of RU1 for customers who are not impacted by it.
We have an issue where the messages stick in poison queue and transport continually crashes after this rollup is applied.
We have gathered enough information and have determined the issue. Specifically, the issue is caused by a transport rule (disclaimer) attempting to append the disclaimer to the end of HTML formatted messages. When this occurs, messages will be placed in the poison queue and the transport service will crash with an exception. We are investing resources to develop a code fix. You can either disable or reconfigure the disclaimer transport rule.
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