I am seeing an issue in an Ubuntu 14.04.1 64 bit machine attached to AD (using PBIS ne Likewise).
I can sudo and gksudo as expected but when the gui spawns the elevation dialog it is tied to the local admin account.
So if I click the icon for Synaptic I get a dialog specifically requesting the password for the local administrator account. However, if I hit the terminal and type gksudo synaptic I get the gksudo dialog where I can enter my user credentials and thus open Synaptic.
I know I sorted this out on a previous installation, but I can't remember what I did back then.
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