If you get the message 'Lync was unable to sign in. Under Authentication, clear the Use Kerberos box so it's blank. If you get the error message 'No Kerberos ticket is detected':Īt the Lync for Mac 2011 sign in page, choose Advanced at the bottom of the page, after typing your Microsoft 365 user ID in both the Email Address box and the User ID box, and entering your password.

After you sign in, you'll see the Office 365 admin center.Ĭhoose Install to download the Lync for Mac 11 installation program onto your Mac.Ĭhoose the first one, lync_14._.dmg, to open the installer.

Go to and enter your Microsoft 365 user ID and password. You received an email from the Microsoft Online Services Team that contains your Microsoft 365 user ID. To install Lync for Mac 2011, you need to sign in to Microsoft 365 first. When you purchased a Skype for Business Online Plan, you created a Microsoft 365 user ID at the same time, even though you didn't purchase Microsoft 365. You'll see two Lync programs there.Ĭhoose the first one, lync_.dmg, to open the installer.

This is the Lync for Mac 11 update.Īfter the programs are finished downloading, go to Downloads on your Mac. The lync_14._.dmg file is downloaded onto your computer. This is the Lync for Mac 11 installation program.Īfter the Lync for Mac 11 installation program downloads to your Mac, go back to the Skype for Business page, and choose Lync for Mac 2011 update.Īt the Microsoft download center, choose Download to download the Lync for Mac 2011 update program onto your Mac. If you don't see Skype for Business listed, then it's not included with the Microsoft 365 business plan you have. At the top of your Microsoft 365 page, choose > Office 365 settings.Ĭhoose Skype for Business > Install to download the Lync for Mac 11 installation program onto your Mac.

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