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SuyPeang-0083 avatar image
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SuyPeang-0083 asked ·

lync A/V, Web Conferencing and Application Sharing

lync A/V, Web Conferencing and Application Sharing issued

office-lync-server-administration
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JimmyYang-MSFT avatar image
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JimmyYang-MSFT answered ·

Hi @SuyPeang-0083

To troubleshoot this issue, we recommend you check it from the following ways:

1.Firewall ports: please make sure you have opened these ports (UDP 3478, TCP 443, UDP/TCP 50000-59999). The following picture shows these ports for your reference:
71963-port.png

2.DNS Records: please make sure you have these records(access.<sip-domain>, av.<sip-domain>,conf.<sip-domain>) on your edge server.
72012-dns.png
3.Certificates: you can refer to the following picture to check you have these certicates SAN on your edge server.
71896-cert.png
4.Reverse Proxy server: you also need to deploy this server in your topology. For more details about how to deploy it, you can learn it from:
https://docs.microsoft.com/en-us/skypeforbusiness/deploy/deploy-and-configure-mobility#configure-the-reverse-proxy


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port.png (398.4 KiB)
dns.png (86.0 KiB)
cert.png (30.8 KiB)
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Hi @SuyPeang-0083

Any update?

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Hi @SuyPeang-0083

Any update?

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Dear Jimmy,

  1. Firewall already allow

  2. here is edge external dns setting
    Access Edge Server (sip.domain.com), Port 5061
    Web Conference Web Service (sip.domain.com), Port 444
    A/V Edge Service (sip.domain.com.kh), Port 443

  3. internal and external certificate it's seem ok, but i see one service (lync server audio/video edge) on edge server is not running

  4. We don't have reverse proxy



[1]: /answers/storage/temp/74355-external-dns-setting.png



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