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Here's a system audit manual from Jan 2000, part of the inquiry evidence. Lets figure out how this thing worked. https://www.postofficehorizoninquiry.org.uk/ev

• duncans 3y ago
  See also the Fujitsu whistleblower, Richard Rolls’ witness statement https://www.postofficehorizoninquiry.org.uk/evidence/witn00780100-richard-roll-witness-statement https://www.postofficehorizoninquiry.org.uk/evidence/witn007...
• tauchunfall 3y ago
  There is also a detailed description of the system in [1]. An interesting incidence/problem report is in [2] at 1h:03m:00s, where an replication error in their Riposte message store system is described. After a defect counter hardware was replaced, it will fill its empty store with messages from other counters. [1] "Technical Appendix to Judgment (No.6) “Horizon Issues”", https://www.judiciary.uk/wp-content/uploads/2022/07/bates-v-post-office-appendix-1-1.pdf https://www.judiciary.uk/wp-content/uploads/2022/07/bates-v-... [2] "Alvin Finch - Richard Coleman - Day 54 AM (17 May 2023) - Post Office Horizon IT Inquiry", https://www.youtube.com/watch?v=H0_-ebCVU5k&t=3780 https://www.youtube.com/watch?v=H0_-ebCVU5k&t=3780 [3] Steven Murdoch: "What went wrong with Horizon: learning from the Post Office Trial", https://www.benthamsgaze.org/2021/07/15/what-went-wrong-with-horizon-learning-from-the-post-office-trial/ https://www.benthamsgaze.org/2021/07/15/what-went-wrong-with...