Fix error code 0xC004F074 when activating Windows Jan 16, 2017 0:09:22 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Jan 16, 2017 0:09:22 GMT Installing an update should fix error code 0xC004F074 with ease, according to an official KB at Microsoft site. Just saying...If you are running Windows Server 2003 as your KMS host you need this KB968915@ support.microsoft.com/en-us/kb/968915If you are running Windows Server 2008 as your KMS host you need to install this patch 968912@ support.microsoft.com/en-us/kb/968912