

In these cases, there is currently no workaround except to change DNS hosts or to manage DNS through an on-premises DNS host. This condition blocks the ability to communicate with external users (Federated and PIC). Some DNS hosts can't host SRV records, or the DNS hosts don't have options to host SRV records. For instructions about how to configure DNS for the most common DNS providers, go to the following Microsoft 365 website: Create DNS records at any DNS hosting provider for Microsoft 365 If you can't add SRV records through your DNS host If any issues are detected, check the DNS configuration with your domain registrar. This test examines all four DNS records that are required by Skype for Business Online to determine whether they're correctly configured. Enter the sign-in address that you're using when you to try to sign in to Skype for Business Online (for example, and start the test. Go to the Lync Connectivity Analyzer and select Office 365 Custom/Vanity Domain Name Settings Test for Lync. Troubleshoot Skype for Business Online DNS issues with the Lync Remote Connectivity Analyzer (RCA)

There might be an issue with the Domain Name System (DNS) configuration for your domain.


