Salman al-Farsi reported: The Messenger of Allah, peace and blessings be upon him, said, “If a man is in a deserted land and the time of prayer arrives, let him perform ablution. If he does not find water, let him perform dry ablution. If he performs the prayer, two angels pray with him. If he announces the call to prayer and performs the prayer, behind him will be angels among the armies of Allah whose great numbers cannot be seen.”
Source: Muṣannaf ‘Abd al-Razzāq 1955
Grade: Sahih (authentic) according to Al-Albani
عَنْ سَلْمَانَ الْفَارِسِيِّ قَالَ قَالَ رَسُولُ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ إِذَا كَانَ الرَّجُلُ بِأَرْضِ قِيٍّ فَحَانَتِ الصَّلَاةُ فَلْيَتَوَضَّأْ فَإِنْ لَمْ يَجِدْ مَاءً فَلْيَتَيَمَّمْ فَإِنْ أَقَامَ صَلَّى مَعَهُ مَلَكَاهُ وَإِنْ أَذَّنَ وَأَقَامَ صَلَّى خَلْفَهُ مِنْ جُنُودِ اللَّهِ مَا لَا يُرَى طَرَفَاهُ
1955 مصنف عبد الرزاق كتاب الصلاة باب الرجل يصلي بإقامة وحده
249 المحدث الألباني خلاصة حكم المحدث صحيح في صحيح الترغيب