Error of "presence unknown" and "This message wasn't sent to ***@hotmail.com due to company policy."
Issue: Add a contact not in my organzation in SFB client with show status "presence unknown" and sent message will show error of "This message wasn't sent to ***@hotmail.com due to company policy." Tested or done: DNS in edge server set to outside DNS already Enabled federation (port 5061) in Edge pool (also enable skype-skype federation search (port 4443) Configured SIP federated providers by follows: New-CsPublicProvider -Identity Skype -ProxyFqdn federation.messenger.msn.com -IconUrl https://images.edge.messenger.live.com/Messenger_16x16.png -NameDecorationRoutingDomain msn.com -NameDecorationExcludedDomainList "msn.com,outlook.com,live.com,hotmail.com" -Enabled $true -EnableSkypeIdRouting $true -EnableSkypeDirectorySearch $true Added SRV records: _sip (Protocol: _tls / Port:443) & _sipfederationtls (Protocal:_tcp / Port:5061) 5. Added CHAME records with sip.<domainname> & lyncdiscover.<domainname> 6. Use Test-CsFederatedPartner -TargetFqdn <domainname.com> -Domain hotmail.com show error: Error Message: 504, server time-out Diagnosis : ErrorCode=1008,Source=<domainname.com>,Reason=Unable to resolve DNS SRV record, domain=<domainname.com>,dns-source=InternalCache,dns-srv-result=QueryFailed Microsoft.Rtc.Signaling.DiagnosticHeader 7. 53 port opens in firewall for DNS service, but run “netstat – na” in edge server, no 53 port service show me with listening status. Any professional suggestion? many thanks.