7/29/13 Update: Microsoft pulled CU2 a couple of days ago and release CUv2 (but it doesn’t say this anywhere). The new build of CU2 is 15.00.0712.024. Download it here!
More details here: https://blog.jasonsherry.net/2013/07/29/exchange-2013-cu2v2-build-712-024-released/
I’ve updated this blog post with a bit more info: https://blog.jasonsherry.net/2013/07/09/exchange-2013-rtm-cu2-released/
Quick post on this issue due to the severity, all PF permission can get lost and will default to Authenticated Users have access to all of them.
See this EHLO Blog post for much more details: http://blogs.technet.com/b/exchange/archive/2013/07/12/e2013-rtm-cu2-issue-public-folder-permissions-loss-after-pf-mailbox-move.aspx
I’m also tracking a list of “known” issue with Exchange 2013 CU2 on this blog post: https://blog.jasonsherry.net/2013/07/09/exchange-2013-rtm-cu2-released/
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