Issue: Cannot connect to exchange on LRS.
Error Message: We can't connect to exchange. You might not have the latest room calendar info.
Problem Statement: If you see this error message that means your exchange web services are not syncing and calendar is not updated.
It might your exchange is unavailable.
Resolution:
Resolution is very simple make sure your exchange server is available and Exchange web services are working.
Second you can just log off or restart LRS Room account.
Thank you.