Autodiscover 0x80072EE7 and 0x80072EFD: Outlook Cannot Reach the Discovery Endpoint
Error 0x80072EE7 means Autodiscover DNS lookup failed or a proxy blocked it. Fix DNS records, proxy settings and offline address book downloads.
Office 0xC004F074: no Key Management Service host could be contacted
Office error 0xC004F074 means the client found no reachable KMS host. See the DNS, firewall and licensing causes plus the fix for each one.