Concerning the Hadith "Differing in My Nation Is a Mercy"

Question:

Is this Hadith authentic:
"Differing in my nation is a mercy."

(Kanzul-'Ummal no.28686 and Ittihaf-us-Sunniyah 1/204,205)
Answer:

No, it is not authentic; it has been rejected by some of the Salaf, and it is not in fact a Hadith.
Shaykh `Abdul-`Azeez Bin Baz
Fatawa Islamiyah, vol.7, p.177, DARUSSALAM

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