Hi All,
According to below article , MS released 2 security updates for Exchange 2013 CU 20/21
https://support.microsoft.com/en-us/help/4340731/description-of-the-security-update-for-microsoft-exchange-server-2013
I would like to know that it is applicable to old CU as well , I am running Exchange 2013 CU11/12 ?
Regards
Usman
Usman Ghani - MCITP Exchange 2010