Sunan Abi Dawud 594
سنن أبي داود#594Da'ifحَدَّثَنَا أَحْمَدُ بْنُ صَالِحٍ، حَدَّثَنَا ابْنُ وَهْبٍ، حَدَّثَنِي مُعَاوِيَةُ بْنُ صَالِحٍ، عَنِ الْعَلاَءِ بْنِ الْحَارِثِ، عَنْ مَكْحُولٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الصَّلاَةُ الْمَكْتُوبَةُ وَاجِبَةٌ خَلْفَ كُلِّ مُسْلِمٍ بَرًّا كَانَ أَوْ فَاجِرًا وَإِنْ عَمِلَ الْكَبَائِرَ " .
Abu Hurairah reported the Messenger of Allah(ﷺ) as saying:The obligatory prayer is essential behind every Muslim, pious or impious, even if he has committed a sins
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Muhammad Muhyi Al-Din Abdul Hamid, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 2:204