A node-locked license activated on a machine is only able to be used by one user.
When the second user tries to log in and activate the license using the same web register keys used by the 1st user they receive an error “license is invalid”.
License is invalid
Type of Licensing
1.The license could be associated to ethernet ID as shown below, which might have been changed when the 2nd user logged in.
2.The quantity assigned to the entitlement associated with the device might be 1 ,which has to be increased further if multiple users want to activate the license on the same device.