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The Register is reporting that Microsoft recommends that you NOT install the recommended .NET Framework 4.7 update:
Earlier this month, Microsoft gave the world .NET Framework 4.7 and urged users to install it for the usual reasons: more fun bits to play with and a security improvements.
But two days later the company urged Exchange users not to install it ASAP, because it hadn't validated it yet. Last Friday - 10 days after the launch of the new code - it reminded users of Lync and Skype for Business not to install it either.
[...] "We are in the process of validating Exchange Server on the .NET Framework 4.7, but the work is not yet complete".
While that validation is happening, "please delay this particular .NET update on your Exchange servers".
If you followed the original recommendation and installed the framework, and now wish to follow their new recommendation, then Microsoft recommends you follow these instructions to roll it back.
(Score: 2) by NCommander on Monday June 26 2017, @09:46PM (1 child)
You can't safely rollback an Exchange VM because it will get out of sync with AD and often crap itself in ways that are difficult at best to fix.
(it's a similar story to if you rollback an AD controller when you have multiple ones; the dreaded invalid SID error).
Still always moving
(Score: 0) by Anonymous Coward on Tuesday June 27 2017, @10:26AM
https://msdn.microsoft.com/en-us/library/office/dd877016(v=exchg.140).aspx [microsoft.com]