Edit: Update Rollup 18 is now available for Exchange 2010 SP3 see the post Exchange 2010 SP3 Update Rollup 18 installation tips.
On 17th March Microsoft released the Exchange 2010 SP3 Update Rollup 9. I’ve waited a bit longer than usual to test and depoly the update due to the issues with Update Rollup 8 being released and then pulled, then re-released a few days later.
I’ve installed this on my test SBS 2011 server, it took just 9 minutes 30 seconds from start to finish, and my test SBS server isn’t very powerful. So I wouldn’t expect this to take much longer than this in production.
The new update has been available for a month 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