Tawassul with the Messenger's honor

Q: Some people supplicate to Allah by the Prophet (peace be upon him). Does this supplication conform to Islamic `Aqidah (creed)? (Part No. 1; Page No. 186

A: Supplicating to Allah by His creatures is not permissible and is a prohibited form of Tawassul (supplicating to Allah by virtue or the status of) and swearing by other than Allah, because Allah is not obliged to do anything. It is lawful for a Muslim to make Tawassul by His Names and Attributes, or one's good deeds, such as belief in Allah and His Messenger, dutifulness to parents and the like.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.