Only issue I ran into (2010 sp2ru3 -> sp3ru6) is it overwrote the IIS settings on my CAS servers (custom redirects to provide two-factor author for ext connections).
> On Sep 8, 2014, at 14:03, "Dave Lum" <[email protected]> wrote: > > I have a three-server Exchange Exchange 2010 environment currently - one > CAS and two mailbox servers. They are all currently at SP2 update0. > Without getting into the why I'm asking, is there any risk in brining the > mailbox servers to E2010SP3UR7 while leaving the CAS server where it is? > > It would be a short-term (few days) scenario but my guy says there may be > some reasons to not to have them too far off patching levels. > > Comments? > > Dave > > >
