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Unable to see meetings information on Skype for Business Mobile App on iPhone.

Issue: Unable to see meetings information on Skype for Business Mobile App on iPhone.
Error message: We can't connect to the server. Check your network connection and server address, the try again.
Sometime you can see calendar free/Busy information on Skype for Business 2015 desktop client however unable to see calendar information using Skype for Business Mobile app client.
Skype for Business and Exchange are two separate servers however work together to provide better functionality.
Best practice is use your Sign-in address same as email (SMTP) address to work better way.
How Skype for Business Mobile app receives calendar meetings information?
Skype for Business mobile app will discover Reverse Proxy server using discovery process (using Lyncdiscover. A (host) record for the Autodiscover service). And then Registration request sent to Reverse Proxy -> then UCWA (UC Web API) component -> Skype for Business front end server.

Note: UCWA component is not separate server it is installed on Front end server.
Skype for Business Mobile client receives Voicemail, calendar meetings information exchange server using Exchange Web Service.
So in order to get meeting information you must provide correct exchange credential. Because Skype for Business needs your Exchange/Outlook credentials to show all your meetings and voice mail information.
Kindly make sure below things in order to get meeting information correctly.
1.     Make sure you have added login credential correctly:
a.     Type sign-in address and password
b.     Click on ‘Show Advanced Options’ then type DomainName\UserID.
c.      Make sure ‘Auto-Detect Server’ is on. Refer the below screenshot for more help.
2.     After you login to Skype for Business mobile app, make sure below:
a.     Click on users photo.
b.     Click on Settings  
c.      Click on exchange and make sure that ‘Use Skype for Business Credentials’ is ON.
In case users Email address is not same email address then do not On ‘Use Skype for Business credentials’ and it OFF and put outlook credential like below.

How do I test if my Exchange Web Service (EWS) is working?
You can simply browse your external Exchange Web Service URL and put the user name and password.
Excepted result xml page like below.
Hope this information will help you. Leave valuable comments.

Thank you


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