How to change the product key for Office XP, for Office 2003, and for the 2007 Office system

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Enterprise CA option is greyed out / unavailable

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Rearm the Office 2013 installation

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There is a 25-day grace period from the time of installation of Key Management Service (KMS) clients before notifications to activate are displayed to the user. If you want to deploy an image, you must rearm your Office 2013 installation before you capture the image. If you do not rearm, users see notification dialog boxes at the time that the image is deployed, instead of 25 days after deployment. The 25-day grace period gives ample time for a KMS host to be found and activation to succeed. If activation is successful, users do not see notifications to activate. Rearm the Office installation Rearming does the following important tasks: Resets the grace timer to 30 days. Freezes the grace timer until either an Office application is run, or the ospp.vbs script is run. Resets the client computer ID (CMID). This is important because the KMS host uses the CMID to determine the num...
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MP has rejected registration request due to failure in client certificate

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