If the button is greyed out, you may need to adjust a registry setting:
Remove cached credentials and sign in again error code 0xc004f017 office activation
Often, a new computer comes with a pre-installed "Office Trial." If you try to activate a full license on top of a trial without removing the trial first, error 0xc004f017 can occur. If the button is greyed out, you may
: In some virtualised environments, this error may require signing into Office.com If the button is greyed out
Click , type cmd , right-click Command Prompt , and select Run as Administrator .
The error code 0xC004F017 indicates that the " Software Licensing Service reported that the license is not installed
Identify the of the conflicting product key.