Michael Carrick takes charge of the Manchester United first team for the last time when they face Arsenal on Thursday night, as Ralf Ragnick would watch the match from the stands.
The 63-year-old German was appointed on Monday, but he has been waiting for the approval process and necessary paperwork to be completed.
The former Schalke, Hoffenheim and RB Leipzig boss will speak to the media for the first time in the role on Friday ahead of the opening game of his tenure at home against Crystal Palace on Sunday.
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Carrick, who has overseen a Champions League win at Villareal last week and a draw against Premier League leaders Chelsea, revealed on Wednesday he had yet to speak to Rangnick.
After the visit of Palace, United then have a home Champions League match against Swiss side Young Boys on December 8.
Rangnick’s contract will see him take charge of the first team until June and then remain at the club for at least a further two years in a consultancy role.
Man Utd’s upcoming fixtures December
2: Arsenal (h) – Premier League, kick-off 8.15pm December 5: Crystal Palace (h) – Premier League, kick-off 2pm December 8: Young Boys (h) – Champions League, kick-off 8pm December 11: Norwich (a) – Premier League, kick-off 5.30pm. (Skysports)