Microsoft 2 Error Code, Error Message, Activatio, Possible, Troubleshooting Steps, n Type, Cause

Volume Activation 2.0 Operations Guide

Error Code	Error Message	Activatio	Possible	Troubleshooting Steps
		n Type	Cause
	computer could not be		KMS request is	(default) is not blocked by a firewall or otherwise
	activated. The Key		not answered.	filtered.
	Management Service (KMS) is
	not enabled.
0xC004F041	The software Licensing	KMS client	KMS host is not	Activate the KMS host with either online or phone
	Service determined that the		activated.	activation.
	Key Management Server
	(KMS) is not activated. KMS
	needs to be activated.
0xC004F042	The software Licensing	KMS client	Mismatch	Check that a Beta client is not activating against a
	Service determined that the		between KMS	Released KMS host, or a Released client against a
	specified Key Management		client and KMS	Beta KMS host.
	Service (KMS) cannot be		host.
	used.
0xC004F050	The Software Licensing	KMS, KMS	This can be	Install the appropriate KMS key on the
	Service reported that the	client, MAK	caused by a	corresponding version of Windows. Check the
	product key is invalid.		typo in the KMS	spelling. If the key is being copied and pasted,
			key, or by	make sure that em-dashes have not been
			typing in a Beta	substituted for the dashes in the key.
			Key on a
			Released
			version of the
			OS.
0xC004F051	The software Licensing	MAK/KMS	The product key	Obtain a new MAK/KMS key, install it on the
	Service reported that the		on the	system, and activate.
	product key is blocked.		activation
			server is
			blocked by
			Microsoft.
0xC004F064	The software Licensing	MAK	Windows	Follow the Non-Genuine RFM recovery guidelines in
	Service reported that the		Genuine	the Volume Activation 2.0 Operations Guide.
	non-Genuine grace period		Advantage has
	expired.		determined the
			system is not
			Genuine.
0xC004F065	The software Licensing	MAK/KMS	Windows	Obtain and install a Genuine product key and
	Service reported that the	client	Genuine	activate the system during the grace period. If not,
	application is running within		Advantage has	the system will go into Non-Genuine RFM mode at

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