Neil Warnock is expected to be named Aberdeen interim manager until the end of the season.
And a deal could be done in time for Warnock, 75, to be in the dugout when Aberdeen visit Rangers on Tuesday evening.
Barry Robson was dismissed last week after a year in charge at Pittodrie.
First team coach Peter Levein took caretaker charge for Saturday's 1-1 draw with Celtic, which left the Dons eighth in the Scottish Premiership.
Aberdeen are a point off the top six and host Bonnyrigg Rose in the Scottish Cup last 16 on Saturday.
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