Make sure to provide the Volume License agreement information and proof of purchase when you call.
For the telephone numbers of Microsoft Activation Centers worldwide, go to Microsoft Licensing Activation Centers worldwide telephone numbers. Internet and telephone activation failĬontact a local Microsoft Activation Center. For a list of ports, see the Volume Activation Deployment Guide. Make sure that the required ports are open in the firewall. The computer does not activate over the internet Alternatively, run Slmgr.vbs and use the /dli command-line option. On the computer, open the System control panel and look for Windows is activated. How can I tell whether my computer is activated? This article describes common issues that can occur during Multiple Activation Key (MAK) activations, and provides guidance for addressing those issues. Try our Virtual Agent - It can help you quickly identify and fix common issues related to KMS and MAK activation
