KMS Authentication-NYCU Information Technology Service Center

0x80070005
- Access denied. The requested action requires elevated privileges.
- User Account Control (UAC) prohibits activation processes from running in a non-elevated command prompt.
- Right-click cmd.exe, and then click Run as Administrator.

error code 0xC004F038
- 0xC004F038：The Software Protection Service reported that the computer could not be activated. The count reported by your Key Management Service (KMS) is insufficient. Please contact your system administrator.
- The count on the KMS host is not high enough. The KMS count must be ≥5 for Windows Server or ≥25 for Windows client.
- More computers are needed in the KMS pool for KMS clients to activate. Run Slmgr.vbs /dli to get the current count on the KMS host.

0xC004F039
- 0xC004F039：The Software Protection Service reported that the computer could not be activated. The Key Management Service (KMS) is not enabled.
- This error occurs when a KMS request is not answered.
- Troubleshoot the network connection between the KMS host and the client. Make sure that TCP port 1688 (default) is not blocked by a firewall or otherwise filtered.

0xC004F06C
- 0xC004F06C：The Software Protection Service reported that the computer could not be activated. The Key Management Service (KMS) determined that the request timestamp is invalid.
- The system time on the client computer is too different from the time on the KMS host.
- Time sync is important to system and network security for a variety of reasons. Fix this issue by changing the system time on the client to sync with the KMS. Use of a Network Time Protocol (NTP) time source or Active Directory Domain Services for time synchronization is recommended. This issue uses UTP time and is independent of Time Zone selection.

0XC004F074
- 0XC004F074：The Software Protection Service reported that the computer could not be activated. No Key Management Service (KMS) could be contacted.
- Check your Internet connection.
- you might not pass the NCTU POP3 authentication , or the login session just timeout. Be sure to login POP3 authentication first and finish operations in 3 minutes.
- In order for your connection and activation to be successful , your system timezone setting has to match KMS server. To correct this issue and move forward with your activation: Open Control Panel , clicking Clock, Language, and Region, and then clicking Date and Time. Click Change time zone and be sure to set timezone to UTC+8 Taipei.