Skype For Business: Cannot Schedule Meeting In Outlook

All Troubleshooting steps / How To: 

o    Notes: This means you have multiple email accounts setup in your Outlook profile. The primary account must be the account that matches your Lync/Skype account exactly. So, set your Lync/Skype email account to the primary account in Outlook and restart Outlook.
o    File > Account Settings > Account Settings > E-mail Tab > Set Default to proper account.

Issues remain look to escalate ticket.