MS O365 Admin - Settings
Environment
O365 and Hosted Lync or Skype for Business
Resolution
Disable Lync Online in Office 365 Admin Portal at:
- Remove Lync Online from the Domain Purpose (do this for every domain):
- In Office365 Admin Center, click on Domains in the navigation pane on the left.
- Click on the domain to select it.
- Click the Manage DNS link on the right side of the screen.
- Click on the Change Domain Purpose link in the Domain Purpose section.
- Unselect Lync Online or Skype for Business for instant messaging and online meetings
- Click Save.
2. Disable Lync Online License for each user (do this for every user):
- In Office365 Admin Center, click on Users in the navigation pane on the left and then select Active Users.
- Click on the user to edit it.
- Click on Licenses.
- Expand the License Type assigned to the user (ie E3 or E4) to display the list of sublicenses available in that plan.
- Unselect Lync Online Plan 1 or Plan 2/ Skype for Business Online Plan 1 or Plan 2
- Click Save.