The mail question was "How to activate VM with the same key as a host OSE?"
Since you have already converted the evaluation to full you can do
slmgr /ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx
slmgr /ato
With the Windows Server 2019 Stadard license I bought 25 User CAL licenses.
The windows CALs do not get installed anywhere, just hang on to the documentation for record keeping / audit purpose. CALs are required for each instance of windows server.
A Windows Server CAL is a license that grants access Windows Server. CALs are used in conjunction with Microsoft Windows Server OS licenses to allow Users and/or Devices to access and utilize the services of that windows server
- User CALs allow a single user access to Windows Server from an unlimited number of devices
- Device CALs allow an unlimited number of users to access Windows Server from a single device
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