Fix Windows 7 Activation Status Not Available or SLMgr 0×80070422 Error
Windows 7 displays the system activation status in System Properties, which can be accessed via Control Panel -> System and Security -> System. However, sometimes, Windows activation may display error message which saying activation status not available, together with product ID which is also not available.
When user run slgmr -dli or slmgr -dlv commands to [...]