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#Skype for business app unable to connect download#
#Skype for business app unable to connect windows#

Otherwise, the Lync Mobile sign-in process will fail if the Auto-Detect Server option is used. The Lync 2010 mobile client tries to discover the user's home server by querying the following CNAME records in DNS:Īdditionally, the CNAME records in DNS must meet the following criteria.

The Wi-Fi connection is blocking DNS queries.įor the Lync Mobile Auto-Detect Serveroption, specific CNAME records must be present in DNS for the Lync 2010 mobile client to determine the home server of the Skype for Business Online user.

The Lyncdiscover CNAME record is set up incorrectly.

The Lyncdiscover CNAME record isn't set up.

This issue may occur if one of the following conditions is true: This issue occurs if the Lync Mobile Autodiscover process fails and the user's Skype for Business Online server can't be determined. You may need to contact your carrier for additional assistance if the connection is only failing when connected to your data carrier. Demonstrating the use of these applications is outside the scope of this article and outside the scope of Office 365 technical support.

#Skype for business app unable to connect download#

So, users have to download an application that performs these kinds of functions. This is difficult to do because most mobile devices don't include integrated network diagnostic tools. The next step to check whether the mobile device can resolve the Lyncdiscover CNAME record in DNS is to query DNS from the phone itself.

Step 3: Query DNS from the mobile carrier This test determines whether the DNS lookup failure is occurring on the mobile carrier, the Wi-Fi connection, or both. If a Wi-Fi connection is available, try to connect to Skype for Business Online. Step 2: Try a Wi-Fi connectionĪfter you verify that the Lyncdiscover CNAME record exists in DNS, check whether a Wi-Fi connection is available. If any issues are detected, check the DNS configuration with your domain registrar. 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. To verify that the Lyncdiscover CNAME record is present in the Domain Name System (DNS) records, go to the Lync Connectivity Analyzer, and select Office 365 Custom/Vanity Domain Name Settings Test for Lync. Step 1: Verify the Lyncdiscover CNAME record To troubleshoot this issue, follow these steps. Also please check the network connection, sign-in address and server addresses. However, the user receives the following error message: Cannot connect to the server.

#Skype for business app unable to connect windows#

A Skype for Business Online (formerly Lync Online) user tries to sign in to the Lync 2010 mobile client from a Windows Phone, Apple iPhone or iPad, Google Android, or Nokia Symbian device by using the Auto-Detect Serveroption to determine the Skype for Business Online server.