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Check DNS Records for Skype On-Prem

Retired product. Microsoft retired Skype for Business Online on July 31, 2021, and support for Skype for Business Server 2015 and 2019 ended on October 14, 2025. Microsoft Teams replaces them. This article is kept for reference. Skype for Business Online retirement
Written June 2020. Microsoft changes these admin screens often, so the screenshots below may not match what you see today. The sequence of steps is usually still correct — if something looks wrong, tell us and we'll update it.

Time to Execute: 15m

  • 1.       Open Cmd
  • 2.       Use Nslookup to verify the records i.e. there should be a cname and av record pointing to right directions for the custom domain hosted on Domain Registrar

  • 3.       If records not present, do ask client to create them in DNS i.e. av record points to external ip of edge server, create srv if federation and mobility is needed

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