Enforcing SMB Signing has usually no negative impact as most/all current Windows OS versions likely already have the ability to sign To confirm if any clients are NOT signing, the below command indica...Enforcing SMB Signing has usually no negative impact as most/all current Windows OS versions likely already have the ability to sign To confirm if any clients are NOT signing, the below command indicates false. Note: false indicates the client did not sign - it does not indicate it does not have the ability to sign. ONTAP CIFS-enabled SVMs will already support SMB signing, but it’s not enforced by default. Enable or disable required SMB signing for incoming SMB traffic