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Applies to
- Clustered Data ONTAP 8
- Data ONTAP8 7-Mode
- ONTAP 9
- SMB
- SMB 2
See Also
Impact when disabling SMBv2/v3 for all Windows Server 2016 OS and above? - Microsoft Q&AIs it recommended to disable both SMB1 and SMB2[Network Place (Samba) Share] How to access the files on Network Devices using SMBv1 in Windows 10 ? | Official Support | ASUS Global[MS-SMB2]: SMB2 ERROR ResponseAnswer
- The Server Message Block (SMB) protocol version used for file-sharing operation is determined during the negotiation process.
- It depends on the highest version supported by both the clients and the servers.
- This table describes the protocol used with the default server/client configuration:
| Protocol Version | FirstClient Version | FirstServer Version | Data ONTAP Version |
|---|---|---|---|
| SMB 1.0 | Windows XP | Windows Server 2003 | All |
| SMB 2.0 | Windows Vista | Windows Server 2008 | 7.3.1 and later; 8.x |
| SMB 2.1 | Windows 7 | Windows Server 2008R2 | 8.1 clustered Data ONTAP; 8.1.1 7-Mode |
| SMB 3.0 | Windows 8 | Windows Server 2012 | clustered DataONTAP 8.2 and later |
| SMB 3.1 | Windows 10 | Windows Server 2016 | ONTAP 9 |
Note: For more information, refer the Microsoft documentation on the support of the SMB 2 protocol on various Windows Operating System versions.
Additional Information
- Supported SMB versions and functionality
- TR-3740: SMB 2—Next-Generation CIFS Protocol in Data ONTAP
- For the updated and latest CIFS compatibility matrix, see theIMT Website
