3. 3

17. Moscow CAS HT MBX St. Petersburg HT CAS AD MBX Internal DNS Mail.contoso.com Pop.contoso.com Imap.contoso.com Autodiscover.contoso.com Smtp.contoso.com Outlook.contoso.com Internal DNS Mail.contoso.com Pop.contoso.com Imap.contoso.com Autodiscover.contoso.com Smtp.contoso.com Outlook.contoso.com Internal DNS Mail.sp.contoso.com Pop.sp.contoso.com Imap.sp.contoso.com Smtp.sp.contoso.com Outlook.sp.contoso.com Internal DNS Mail.sp.contoso.com Pop.sp.contoso.com Imap.sp.contoso.com Smtp.sp.contoso.com Outlook.sp.contoso.com ExternalURL = mail.sp.contoso.com CAS Array = outlook.sp.contoso.com OA endpoint = mail.sp.contoso.com ExternalURL = mail.sp.contoso.com CAS Array = outlook.sp.contoso.com OA endpoint = mail.sp.contoso.com ExternalURL = mail.contoso.com CAS Array = outlook.contoso.com OA endpoint = mail.contoso.com ExternalURL = mail.contoso.com CAS Array = outlook.contoso.com OA endpoint = mail.contoso.com External DNS Mail.sp.contoso.com Pop.sp.contoso.com Imap.sp.contoso.com Smtp.sp.contoso.com External DNS Mail.sp.contoso.com Pop.sp.contoso.com Imap.sp.contoso.com Smtp.sp.contoso.com External DNS Mail.contoso.com Pop.contoso.com Imap.contoso.com Autodiscover.contoso.com Smtp.contoso.com External DNS Mail.contoso.com Pop.contoso.com Imap.contoso.com Autodiscover.contoso.com Smtp.contoso.com

27. 2 HA Copies (Total) 3+ HA Copies (Total) 2+ HA Copies / Datacenter 1 Lagged Copy 2+ Lagged Copies / Datacenter Server in Primary Datacenter RAIDRAID or JBOD RAIDRAID or JBOD Servers in Secondary Datacenter RAID RAID or JBODRAIDRAID or JBOD

31. BlockedAllowed Subnet 3 Subnet 4 Subnet 2 Subnet 1 M M MM R R RR