Read the complete list of fixes here Exchange 2010 UR4 – KB982639
Worth mentioning is that if you’re using Microsoft update and Exchange DAG, updates will not be automatically detected. DAG/Cluster servers should be patched manually.
Installation package can be downloaded from download link for Exchange 2010 UR4
Does Update Rollup 3 or prior need to be uninstalled prior to installing Update Rollup 4?
ReplyDeleteNo, you don't need to install UR3 before UR4. Update rollups are cummulative.
ReplyDelete