Edit: Update Rollup 18 is now available for Exchange 2010 SP3 see the post Exchange 2010 SP3 Update Rollup 18 installation tips.
On 16th June Microsoft released the Exchange 2010 SP3 Update Rollup 10.
I’ve installed this on my test SBS 2011 server, it took just 21 minutes 23 seconds from start to finish, more than twice as long as the last update rollup, but my test rig was running a few other processes at the same time, so I wouldn’t expect this to take much longer than this in production.
The new update has been available for a couple of weeks now, and I have not seen any issues reported with it so I suspect it is safe to deploy in your production environment. Continue reading