The 38-year-old Dutch keeper last week put-pen-to-paper on a one year contract extension at Old Trafford which will tie him to the club until June 2010.
"It was not difficult at all," van der Sar told MUTV.
"It's a great club to be at with a great atmosphere in the dressing room.
"The boss is fantastic and we have the best stadium in England.
"I've enjoyed every minute of the three-and-a-half years I've been here so far.
"I'm really looking forward to playing for another season after this one."