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CIFS/SMB share not accessible by the client application

Last Updated:

Applies to

  • ONTAP 9
  • CIFS
  • SMB1


  • Access from Windows explorer to CIFS share works fine
  • Access to CIFS/SMB share is not possible from the client application
  • In the packet trace you can  see RST as the response from ONTAP to Negotiate Protocol Request from the client application:
2021-10-27 13:55:54    SMB    Negotiate Protocol Request
2021-10-27 13:55:54    TCP    445 → 47626 [RST, ACK]

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