KB ID 0000637
KMS had been running fine for months, when we started seeing the following errors.
When attempting to activate via slmgr
Error: 0xC004C008 The activation server determined that the specified product key could not be used.
When attempting to activate via Computer Properties.
Description: The activation server determined that the specified product key could not be used.
You need to make a request to Microsoft to have your Windows activations either reset, or raised.
Send and email to email@example.com
Give them the following information.
- Company name.
- Agreement number.
- Type of Licence program e.g. Open Value Subscription etc.
- Phone number.
- Number of product activations required.
- Required date.
- Product Key: This will be the KMS key in use on your KMS Server.
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