The key management service kms is unavailable

Cause: The two leading reasons of this concern are:

Windows cannot situate the KMS.The server’s clock differs from the KMS clock by even more than 4 hrs.

You watching: The key management service kms is unavailable

Use the actions in the following sections to settle this worry.

Encertain that the Windows Server is configured to use the correct KMS server

Locate the correct KMS server in the complying with list:

Data facility KMS server
ORD (Chicago)
DFW (Dallas)
LON (London)
HKG (Hong Kong)
SYD (Sydney)

Log in to your cloud server as administrator by clickingStart > All Programs > Accessories. Then, right-click CommandPrompt and pick Run as Administrator.

Set the KMS manually within the registry:

slmgr.vbs /skms kms-server-from-table-above:1688Repursuit activation from the KMS:

slmgr.vbs /atoNote: If you obtain the error 0xC004F074 The Key Management Server (KMS) is unobtainable,proceed with the following actions to ensure the server clock synchronizes through the KMS clock.

If the gadget does not activate, the server can be collection to MAK activation rather of KMS activation.

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To confirm the activation method collection on the tool, run the complying with command:

slmgr -dlvLook for the Product Key Channel establishing. Volume:GVLK means the tool offers to KMS activation, Volume:MAK indicates the tool offers to MAK activation.

The complying with imeras display sample outputs:

KMS activation output:


MAK activation output:


Set the gadget to KMS activation by utilizing the crucial discovered in the previously referenced short article and also entering the adhering to command:

To activate the tool, run the listed below command:

slmgr.vbs /ato

Encertain that the server clock synchronizes with the KMS clock

If action 1 over returned the error 0xC004F074 The Key Management Server (KMS) is unavailable, the moment on the cloud server is dramatically various than what is on the KMS.

At this suggest, you should configure the server to use a Netoccupational Time Protocol (NTP) time resource by executing the correct command also.

Documents facility Command also
ORD (Chicago) net sheight w32timew32tm /config / /syncfromflags:MANUALnet start w32time
DFW (Dallas) net speak w32timew32tm /config / /syncfromflags:MANUAL net start w32time
IAD (Ashburn) net soptimal w32timew32tm /config / /syncfromflags:MANUAL net start w32time
LON (London) net speak w32timew32tm /config / /syncfromflags:MANUAL net start w32time
HKG (Hong Kong) net soptimal w32timew32tm /config / /syncfromflags:MANUAL net start w32time
SYD (Sydney) net soptimal w32timew32tm /config / /syncfromflags:MANUAL net begin w32time

After the moment synchronizes, attempt each of the following commands:

w32tm /resync slmgr.vbs /atoYou should open up User Datagram Protocol (UDP) port 123 to allow the sync.

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Make sure your firewall enables outbound connections to Transmission Control Protocol(TCP) port 1688.