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CIFS/SMB share not accessible by the client application

CIFS/SMB share not accessible by the client application

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Category:: ontap-9

Specialty:: nas

Last Updated:

Applies to

ONTAP 9
CIFS
SMB1

Issue

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    10.10.10.50    10.10.10.10    SMB    Negotiate Protocol Request

2021-10-27 13:55:54    10.10.10.10    10.10.10.50    TCP    445 → 47626 [RST, ACK]