Security at the Capitol refused to let Gibbs into the VIP section, the DC Examiner reported. He eventually made his way in through a different door.
Once the ceremony was under way, Gibbs stood just behind two of the world's best-known musicians, Yo-Yo Ma and Itzhak Perlman, as they played.
Gibbs also told reporters that he hoped to figure out how to log on to his White House computer in time to send them a schedule for the new president on Wednesday, Politico reported.
Obama's White House staff begins work Wednesday. But Gibbs said that their day will start with two hours of briefings.