If you have a third-party antivirus app installed, temporarily disable it or uninstall it, and then try activating Microsoft 365 again.Ĭheck whether you're behind a proxy serverĪre you behind a proxy server? If you're not sure, ask your administrator. Temporarily disable or uninstall third-party antivirus Run the Microsoft Support and Recovery Assistant (SaRA) to reset the Microsoft 365 activation state.įor manual steps or more information, see Reset Microsoft 365 Apps for enterprise activation state. Restart the device and try to activate Microsoft 365 again.If the account you use to sign in to is listed there, but it isn’t the account you use to sign in to Windows, select it, and then select Disconnect.From Start, select Settings (the gear icon) > Accounts > Access work or school.Make sure you are signed in with your Work or School account, not your personal Microsoft account.Select your name and profile picture or icon at the top.Restart the device, and then try activating Microsoft 365 again.If TLS 1.2 isn’t checked, check it, then select Apply and OK.From Start, select Control Panel > Internet options > Advanced settings.Enable TLS 1.2 as the default protocol by using this easy fix, and then restart the device.If you are running Windows 7 or Windows Server 2008, make sure that Service Pack 1 is installed.For more information, see End of support resources for Office. Important Running Microsoft 365 Apps on these older operating systems isn't supported. Some older operating systems, such as Windows 7 SP1, Windows Server 2008 R2, and Windows Server 2012, require an update to enable TLS 1.2 by default. To activate Microsoft 365 Apps, TLS 1.2 must be enabled on the operating system. If you aren’t an admin, see How do I find my Microsoft 365 admin? Activating Microsoft 365 on Windows 8.1 or earlier Note Some of these troubleshooting methods can only be performed by a Microsoft 365 admin. If you continue seeing the error, try the following troubleshooting steps to solve the problem. It is possible the issue might be temporary. Sorry, we are having some temporary server issues When trying to activate Microsoft 365 apps, you might encounter the following error:

Office 2016 activation problem