It’s not the first time of encountering issues with Apple services, but most of them get resolves quickly, and some require time to get rid-off the issue. The good thing is that company always provides fixes and assists users how to resolve most of the issues through its official forums.

Some unfortunate users are facing activation issues with iMessage and FaceTime. Also, when you try to activate iMessage and FaceTime, it gets stuck on the due to an error and shows a message as “Authentication failed” in Mac.

If you’re victimized with the same consequences, just follow the explanatory guide that we’ve managed to provide you. Here’s everything you should know about fixing the iMessage and FaceTime activation problem on Mac. Without wasting much of your time, let’s gets started.

Why Authentication Error encounter?

In previous Macs, users have reported that they were unable to log into iMessage or FaceTime even if they’ve successfully logged into iCloud. Some users have reported that they resolved authentication error by re-initializing their Mac hardware to let access their iCloud services.

How to Fix Authentication Error

To fix authentication error, users need to re-initialize their Mac hardware to let access their iCloud services. Here’s how to do that:

Log out on iCloud on Mac

Step 1: Visit “System Preferences”

Step 2: Click on “Apple ID”

Step 3: Click on “Overveiw” and then click on “Sign Out”

Step 4: In order to keep or delete iCloud data that includes calenders. reminders, and photos from your Mac, follow the instruction.

Step 5: Restart your Mac.

Log into iCloud on Mac

Step 1: Open Safari and go to iCloud.com.

Step 2: Enter your iCloud credentials, and log in.

Step 3: Click on “Account Settings”.

Step 4: Click on “Problematic Mac”, under My Devices.

Step 5: Click on “X” next to the Mac.

Step 6: Click on “Remove”.

Step 7: Click on “Done”.

Sign again into iCloud on your Mac

Step 1: Visit “System Preferences”.

Step 2: Click on “Sign In”.

Step 3: Enter your iCloud credentials, and Sign in.

Step 4: Enter mac sign-in credentials.

Step 4: Click on OK.

Once you signed back again iCloud on Mac, you will be automatically signed into iMessage and FaceTime automatically. You will no longer encounter authentication error for iMessage and FaceTime.