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LICENSE: µVISION shows Unknown Product in License Management

Information in this knowledgebase article applies to:

  • Keil MDK


During the process of registration, when the LIC number is entered into License Management window of µVision, the Product column shows Unknown Product:



There are many factors which might trigger this behaviour:

  • You are using a Keil MDK-ARM Basic (China) license.
  • You are trying to register a very old product, which is not supported by your license.


  • In the case of Keil MDK-ARM Basic (China) license, the latest version of Keil MDK which can be registered is: Keil MDK 4.54, and the oldest registerable version is: Keil MDK 4.00.


Last Reviewed: Monday, November 9, 2020

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