>Maybe some body have a copy of article Q101289 SYS(2007) Algorithm for Checksum looks like it's been removed from Microsoft site
Boris,
The KB article does not show the algorithm. It does have the following note:
"NOTE: Checksum is a "byte-oriented CRC-16" algorithm. The exact logic was last published in the February 1986 edition of "Dr. Dobbs Journal.""
George
Ubi caritas et amor, deus ibi est