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Cannot assign Plesk license key Invalid key: Unknown key format

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Alisa Kasyanova
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Applicable to:

  • Plesk 12.5 for Linux
  • Plesk 11.x for Linux
  • Plesk 12.0 for Linux

Symptoms

Cannot upload a Plesk license key:

PLESK_ERROR: Error: Invalid key: Unknown key format

Cause

Incorrect or corrupted license key.

Resolution

Upload the correct file, or contact Licensing and Purchase support to reissue the key.

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