Manually installing Update rollup 4 for Exchange 2010 sp1

If you want to manually test out the install of before it hits MU on (approximately) July 28th, here’s how you do it:

If you don’t do it exactly like that you may end up with an error code 1603 which looks like an installer messed up error.  Exchange always wants admin rights to install.  When you use Microsoft update on rollups, it will ‘runasadmin’ as it needs to.  It’s only when you manually install it that you have to drink a bit more caffeine and pay attention.

(and this fixes the pdf attachment problem on iphones – You cannot receive email messages on a mobile phone by using ActiveSync in an Exchange Server 2010 environment:

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