King believes Solskjaer can bring success to United - if given time.
He told Four Four Two: "He was good, but it was the start of his managerial career. He was brilliant with me, and helped me.
“I know him as a person and a manager and have loads of respect for him.
“When he took over United I was very happy for him and his family because I know how much that meant for him as a person - it's always been his dream.
“I hope and believe he'll get United back to where they were, but obviously they need time."