
Verify that the KMS activation threshold is met. The KMS client computer does not activate Alternatively, run Slmgr.vbs and use the the /dli command-line option. On the KMS client computer, open the System control panel, and look for the Windows is activated message. If you use System Center Operations Manager, the System Center Data Warehouse database stores event log data for reporting, therefore you do not have to back up the event logs separately. If you use the event log to track or document KMS activations, periodically export the Key Management Service event log from the Applications and Services Logs folder of Event Viewer. However, if you use a tool to routinely clean up event logs, the activation history stored in the logs can be lost. Should I back up KMS host information?īackup is not required for KMS hosts.

To run cmd.exe as administrator, enter the following command:Īt the command prompt with administrative rights, you can continue with manual KMS activation.If you suspect that your issue is related to DNS, see Common troubleshooting procedures for KMS and DNS issues. This will start a command-line interface prompt without administrative rights. In this case, to perform the KMS activation, enter the path into Internet Explorer: When the 30 day grace-period has expired, Windows is running in “Reduced Functionality Mode“, only the Internet Explorer can be called.

This error can usually be resolved by a BIOS update. The KMS activation expect here a so-called “Windows marker” and fails if it is corrupted or not found. Such BIOS version contains an invalid ACPI_SLIC table. on right mouse click.Įrror 0xC004F074 (“The Key Management Service (KMS) is unavailable”): In most cases it refers to incorrectly set time or the time zone.Įrror 0xC004F035 and 0xC004F059: Especially for computers that were originally acquired with an OEM operating system, in this case the KMS activation is prevented by computer's BIOS.

The option Run as administrator is available e.g. For manual activation, you must run the Command-Line Interface (cmd.exe) as administrator.
