This is link throw down for items that we discussed in a recent Exchange 2013 workshop. Well, actually two workshops. Depending upon which one you attended the additional links will be slightly different.
Exchange 2013 and Exchange 2010 Coexistence with Kerberos Authentication - beware the prerequisites and review closely.
Add-GlobalMonitoringOverride -Item Monitor -Identity "FEP\MaintenanceFailureMonitor.FEP" –PropertyName Enabled -PropertyValue 0 –ApplyVersion 15.0.847.32
Add-GlobalMonitoringOverride -Identity Exchange\ActiveDirectoryConnectivityConfigDCServerReboot -ItemType Responder -PropertyName Enabled -PropertyValue 0 -Duration 60.00:00:00