https://technet.microsoft.com/en-us/library/dn879084(v=exchg.150).aspx Direct link to Performance Counters https://technet.microsoft.com/en-us/library/dn904093(v=exchg.150).aspx

Clean-MailboxDatabase command has been decommissioned for Exchange 2013 and replaced with Update-StoreMailboxState http://technet.microsoft.com/en-us/library/jj860462(v=exchg.150).aspx Update-StoreMailboxState require the GUID of a mailbox to execute...

The Windows Azure Active Directory Sync tool (DirSync) is used to provision user accounts from Windows Active Directory on-premises to Azure Active Directory in the cloud. DirSync will synchronize changes to user accounts made on-premises to the cloud...

Exchange 2013 CU6 databases unexpectedly fail over in a co-existence environment with Exchange 2007: This is an issue that has come up after the release of Exchange 2013 CU6. The details of this issue are available in KB:2997209 – “Exchange...

The Exchange team announced Exchange Server 2013 Cumulative Update 6 . CU6 represents the continuation of our Exchange 2013 servicing and builds upon Exchange 2013 CU5 . A complete list of customer reported issues resolved in Exchange 2013 CU6 can be...