CHANGING TIME ON YOUR MICROSOFT TEAMS ROOM SYSTEM
Anytime you are using a device to authenticate to Teams or Skype for Business, the time on that device is something that is essential that it is as close as it can be. This is due to requirements in certificate based authentication which if the device is not accurate, your room system might have difficulty logging in. If you are having trouble logging in and your NTP settings are correct, there might be other issues and I have described a few of them here.
So this is where you want to make sure that your NTP settings are working and functional…