![UC Administration Blog : Unable to see meetings information on Skype for Business Mobile App on iPhone. UC Administration Blog : Unable to see meetings information on Skype for Business Mobile App on iPhone.](http://1.bp.blogspot.com/-N3KznUP15uM/Vq7fpPQVsXI/AAAAAAAAEFo/pnuhBq0yIpk/s1600/EWS_connection_error.png)
UC Administration Blog : Unable to see meetings information on Skype for Business Mobile App on iPhone.
![Skype for Business, Lync and Exchange Web Services (EWS) and different DNS Domains- Exchange crawling e.g. for presence Skype for Business, Lync and Exchange Web Services (EWS) and different DNS Domains- Exchange crawling e.g. for presence](http://1.bp.blogspot.com/-jAci1136FQs/UQjTY0GfX5I/AAAAAAAAAm8/ZzU9glN430Q/w1200-h630-p-k-no-nu/Lync-Exchange-EWS-Not-Deployed.png)
Skype for Business, Lync and Exchange Web Services (EWS) and different DNS Domains- Exchange crawling e.g. for presence
![O365 Skype for Business - Lync cannot verify that the server is trusted for your sign-in address - ITExperience.NET O365 Skype for Business - Lync cannot verify that the server is trusted for your sign-in address - ITExperience.NET](https://www.itexperience.net/wp-content/uploads/2018/04/lync-is-attempting-to-connect.png)
O365 Skype for Business - Lync cannot verify that the server is trusted for your sign-in address - ITExperience.NET
![FAQ: I got error annoying message after login Skype for Business mobile app saying that "We can't connect to the server." What can I do? | OCIO FAQ: I got error annoying message after login Skype for Business mobile app saying that "We can't connect to the server." What can I do? | OCIO](https://www.eduhk.hk/ocio/webdoc/images/faq/image/skypebusiness_network_error.png)
FAQ: I got error annoying message after login Skype for Business mobile app saying that "We can't connect to the server." What can I do? | OCIO
![Troubleshooting Skype for Business external sign-in issues and examine the client sign-in process - .matrixpost.net Troubleshooting Skype for Business external sign-in issues and examine the client sign-in process - .matrixpost.net](https://blog.matrixpost.net/wp-content/uploads/2020/02/troubleshooting_sfb_external_login018.png)
Troubleshooting Skype for Business external sign-in issues and examine the client sign-in process - .matrixpost.net
![Fixed] Cannot sign in to Skype for business because your computer clock is not set correctly - EnjoySharePoint Fixed] Cannot sign in to Skype for business because your computer clock is not set correctly - EnjoySharePoint](https://www.enjoysharepoint.com/wp-content/uploads/2019/10/Cannot-sign-in-to-Skype-for-business-because-your-computer-clock-is-not-set-correctly.png)
Fixed] Cannot sign in to Skype for business because your computer clock is not set correctly - EnjoySharePoint
![FAQ: I got error annoying message after login Skype for Business mobile app saying that "We can't connect to the server." What can I do? | OCIO FAQ: I got error annoying message after login Skype for Business mobile app saying that "We can't connect to the server." What can I do? | OCIO](https://www.eduhk.hk/ocio/webdoc/images/faq/image/skypeb_exchg_ios.png)