Windows Server 2012 R2 Standard Build 9600 Product Key Activation -

If you receive error 0x80072EFD (cannot connect to activation servers), Microsoft may have deprecated the activation endpoint for very old builds. In that case:

This is the most reliable method for both full and evaluation versions. If you receive error 0x80072EFD (cannot connect to

Alternatively, press Win + R , type slui 3 , and enter your 25-digit product key. 4. How to Find a Lost Product Key Many users download the 180-day Evaluation ISO and

When dealing with the exact build 9600, certain errors appear frequently. Here is a troubleshooting reference: this is the easiest method.

If you have a Retail or MAK key and the server has an internet connection, this is the easiest method.

Many users download the 180-day Evaluation ISO and find they cannot simply "enter a key" to activate it. You must first convert the edition using the Deployment Image Servicing and Management (DISM) tool. Open PowerShell as Administrator. Check your current version: DISM /online /Get-CurrentEdition