Sayyiduna Abu Bakrah (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Whoever has seen me in a dream has indeed seen me while awake (that is, in reality he has seen me myself)." After this, the narrator mentioned the full hadith.
Al-Tabarani recorded it; its chain contains al-Hakam bin Zuhayr, who is da'if (weak).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب التعبير / 11759