Repair Difficulty : Critical
For Microsoft Windows 7 and later
1) Open Control Panel Window (Click Start and press “Control Panel” Button on Right Side)
2) In Control Panel , type firewall in the search box and click on Windows Firewall.
3) Tap On “Turn Windows Firewall on or off”
Note: You will need Admin rights to disable firewall.
4) Under “Home or Work Network Location Settings” And “Public Network Location Settings” Click On “Turn Off Windows Firewall”
Note: Please Activate Windows Firewall after Office 365 installation is complete.
In most case 12002-1 error code in Office 365 should be resolved by now, if however the problem still persists please get your system checked by an expert.
If you are not able to resolve the issue following above steps, you can contact our 24×7 Chat Support for help.
Posted In: Office 365