We recently installed Exchange 2013 CU13 and are now seeing errors in ECP on both our servers. Has anyone seen this or have a resolution?
On the /ECP for the users mailbox under Apps we get the following error
If we go to the EAC and navigate to Servers, Hybrid, Public Folders, Mobile, Protection, Organization, and Compliance management we get the following. I have to mention, that all others work, we can still manage mailboxes, groups, and rules.