Troubleshooting Windows Activation issues with KMS
Troubleshooting Windows Activation issues with KMS nslookup -type=all _vlmcs._tcp Shows KMS servers in the domain. slmgr.vbs /dlv should show you if the client is referencing a KMS host, look for KMS REGISTERED MACHINE NAME: servername:1688 In order to use KMS.. the client needs to be using KMS licensing.. so the key you enter on install should be a KMS key, and not a MAK key. Commands: slmgr.vbs -upk - to uninstall any existing product key (if any) slmgr.vbs -ipk KMS product key - To enter the KMS key slmgr.vbs /skms :1688 - to point to a static KMS server if any slmgr.vbs /ckms - to auto-discover KMS servers slmgr.vbs /ato - to activate the KMS license key slmgr.vbs /rearm - to extend the license to 60 days (max 3 times up to 180 days) slmgr.vbs /skms dcpwav22179985:1688 Application event logs to check for activation attempts: 12288,12289 Reg key: HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform KeyManagementSe