Error 0xc004f074 Windows 7 Page

slmgr /ato

Port 1688 (the default for KMS) is blocked by a firewall or router. error 0xc004f074 windows 7

This error code indicates that the Software Licensing Service reported a failure to connect to the activation service. This is most frequent in or Professional editions that use Volume Licensing. Common causes include: slmgr /ato Port 1688 (the default for KMS)