To ensure old registry artifacts do not conflict with the new license, clear the key from the system registry: cscript C:\Windows\System32\slmgr.vbs -cpky Use code with caution. Step 3: Install the New Product Key

Windows Server 2008 R2 | Specs, reviews and EoL info - InvGate

Corrupt or mismatched product keys stored in the system registry block activation attempts. You must purge the existing key: Open the Start menu.

Product Key Windows Server 2008 R2 Standard Fix Here

To ensure old registry artifacts do not conflict with the new license, clear the key from the system registry: cscript C:\Windows\System32\slmgr.vbs -cpky Use code with caution. Step 3: Install the New Product Key

Windows Server 2008 R2 | Specs, reviews and EoL info - InvGate product key windows server 2008 r2 standard fix

Corrupt or mismatched product keys stored in the system registry block activation attempts. You must purge the existing key: Open the Start menu. To ensure old registry artifacts do not conflict