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Netboot ONTAP 9.7 fails with "Unrecognized archive format error" for new AFF200 controller

Last Updated:

Applies to

  • ONTAP 9.7
  • AFF-A300


  • New controllers arrive with ONTAP 9.6 and netboot process must be used to install ONTAP 9.7
  • Attempting to netboot from loader prompt errors with

Unrecognized archive format error

  • The image is confimed good and downloaded a second time with same checksum
  • The netboot image is tested to be accessible for download on an external webserver
  • The image is not extracted or decompressed
  • The same happens on the HA partner


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