KMS Activation Errorr: 0xC004F074

Question

Hi,
When doing a test like it's advised in it's successful
https://repost.aws/knowledge-center/windows-activation-fails

```
Test-Netconnection 169.254.169.250 -port 1688
TcpTestSucceeded : True
```

But we still get the error

> Error: 0xC004F074 The Software Licensing Service reported that the
computer could not be activated. No Key Management Service (KMS)
could be contacted. Please see the Application Event Log for additional
information.

The Registry is set to

```
KeyManagementServiceName 169.254.169.250
KeyManagementServicePort 1688
```

This occurs on all instances, also on new ones created without templates
Thanks for any hints

Answer

HI,
Thanks for the quick reply. 
But it's an AWS provided key, which needs to be activated by the aws KMS 
1. Therefore we can't control the AWS KMS (169.254.169.250)
2. powershell command `Test-Netconnection 169.254.169.250 -port 1688 ` is successful
3. KMS is set correct via `slmgr.vbs /skms 169.254.169.250:1688`  and no DNS as no hostnames but IP . These settings were also applied when setting up the instance from the EC2 
![Enter image description here](/media/postImages/original/IMbPSh0sZaQCitXf8iFSHCWg)

![Enter image description here](/media/postImages/original/IMu5AT2q2BSXOz87M2i_WSXQ)

Answer

Hello,

This article might help you resolve this issue: https://learn.microsoft.com/en-us/troubleshoot/windows-server/licensing-and-activation/error-0xc004f074-activate-windows#no-key-management-service-kms-could-be-contacted

```
This error occurs for one of the following reasons:
1. The Software Protection Platform Service (sppsvc service) on the KMS host has stopped running.
2. There are networking issues between the KMS client and the KMS host server. For example, TCP 1688 traffic is blocked between the KMS client and the KMS host server.
3. There's an incorrect or old KMS host server record in the Domain Name System (DNS).
```

KMS Activation Errorr: 0xC004F074

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