Dialing the phone number

Providing the Installation ID to the customer service representative

Entering the Confirmation ID provided by the customer service representative.

The confirmation ID is a 42-digit integer containing the activation key and check digits that aid in error handling. Both the installation ID and confirmation ID are displayed to the user in easily understandable segments in the product UI.

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Impact of Hardware Modifications to Activation

At each login, Windows Vista or Windows Server 2008 checks to see that it is running on the same or similar hardware that it was activated on.  If it detects that the hardware is “substantially different”, reactivation is required.  This check is performed after the OA 2.0 BIOS check discussed above, if the OA 2.0 BIOS check fails.  This means that if your PC is pre-activated in the factory using the OA 2.0 pre-activation method, all the components in the PC could be swapped, including the motherboard, so long as the replacement motherboard was genuine and from the OEM with the proper BIOS. 西部网安

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The retail activation hardware check is accomplished by assigning each of the ten hardware elements a weighting factor.  The sum of the weighting factors for the unchanged elements must exceed a threshold, otherwise reactivation is required.  Microsoft changes the ten weighting factors and threshold value on its product activation servers periodically based on product activation and product support data.  These changes on the activation server only impact online activation.  Phone activation is still controlled by the weighting factors and threshold values maintained in the Windows client code.  For example, the weighting factor for the HDD on Windows XP required the end user to reactivate whenever the HDD was replaced.  Product support data showed that many of these reactivations were due to failed hard drives or user initiated upgrade to a higher capacity hard drive.  Shortly after Windows Vista RTM and prior to Windows Vista consumer launch, the HDD weighting factor on the activation servers was reduced slightly to allow the end user to replace the HDD without requiring reactivation. 

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The actual weighting factors and threshold value are not published by Microsoft, since PC hardware is constantly evolving and real life data is utilized to adjust these values for the best user experience possible, but at the same time protecting Microsoft’s intellectual property by reducing piracy. 你复制的文字来自西部网安

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Installations of Windows Vista or Windows Server 2008 using Volume activation are now subject to reactivation if the hardware changes.  Volume MAK activation utilizes the same reactivation rules as retail activation.  Volume KMS activation only requires reactivation if the HDD has changed.

 

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Scenario A:

PC One has the full assortment of hardware components listed in Table 1 above. User swaps the CPU chip for an upgraded one, swaps the video adapter, adds a second hard drive for additional storage, doubles the amount of RAM, and swaps the CD ROM drive for a faster one. 

 

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Result:  Reactivation is NOT required.

 

Scenario B: 网安官方站

PC Two has the full assortment of hardware components listed in Table 1 above.  The HDD fails and the user replaces the failed drive with a new HDD.  The user loads the new HDD from a backup or from the original installation media.

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Result: Reactivation is NOT required.

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Scenario C: 网安官方站

PC Three has the full assortment of hardware components listed in Table 1 above.  The motherboard fails, and the user is forced to replace the failed motherboard with a new one. 网安官方站

 

Result: Reactivation is required.  Why?  Changing the motherboard results in a hardware configuration that is substantially different, since several of the ten hardware elements change when installing a new motherboard. 

 

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The change of a single component multiple times (e.g. from video adapter A to video adapter B to video adapter C) is treated as a single change. The addition of components to a PC, such as adding a second hard drive which did not exist during the original activation, would not trigger the need for a reactivation nor would the modification of a component not listed in the above table.  Reinstallation of Windows Vista or Windows Server 2008 on the same or similar hardware and a subsequent reactivation can be accomplished five times.

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