CU5 breaks single item restores in Backup Exec. They are working on it. https://vox.veritas.com/t5/Backup-Exec/Exchange-2016-CU5-Support/td-p/830356
________________________________ From: "Michael B. Smith" <mich...@smithcons.com> To: exchange@lists.myitforum.com Sent: Wednesday, June 28, 2017 7:59:34 AM Subject: [Exchange] June 2017 Quarterly Exchange Updates Released yesterday: https://blogs.technet.microsoft.com/exchange/2017/06/27/released-june-2017-quarterly-exchange-updates/ The blog article and the KB articles do a poor job of explaining everything that has changed. 2016 CU6 includes a fix for the annoying Set-Mailbox bug present in CU5. However, if you do a lot mailbox moves or discovery searches, I suggest that you carefully test it in a lab. The same if you intend to apply CU6 to edge servers. I am not aware of confirmed issues, but I’ve heard some rumbles about these.