System Error 1240 Has Occurred

System Error 1240 Has Occurred. The Account is Not Authorized to Login from This Station attempting to mount a client to an SMB network share

Attempting to mount a client to an share and you can receive the message:

Info

System Error 1240 Has Occurred. The Account is Not Authorized to Login from This Station.

Symptom

When connecting to a share and the share name is incorrect, you will receive a very confusing error message.

net use x: \ServerXYZ

System error 1240 has occurred.

The account is not authorized to log in from this station.

Solution

Selecting the correct share name (XYZ1 instead of XYZ) resolves this.

net use x: \ServerXYZ1

The command completed successfully.

The error message caused by selecting a non-existing share makes this error message confusing.

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