"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
* Microsoft Exchange 2013 Servers hosting only the Exchange CAS role are not supported
** Windows Server 2008 Server Core and Windows Server 2008 R2 Server Core not supported
*** Exchange 2007 CCR clustering requires Windows Server 2003 R2 or later
**** Microsoft Exchange 2013 with SP1 requires the application of a Microsoft patch before PureMessage for Exchange is installed. See article 120711.
*^ Exchange 2003 is supported on Puremessage 3.1.3 only when running Server 2003 - Please see KBA119019
System requirements for all Sophos products
Every comment submitted here is read (by a human) but we do not reply to specific technical questions. If you need technical support please post a question to our community. Alternatively for licensed products open a support ticket.