It explains why a product like ADSM requires another quality of support than other software.
Critical errors are likely to remain after fixing.
When, after analysis of a problem, the software is fixed to no longer introduce inconsistencies, this will not in any way help repair the problems that have already occured at the customer's site. There is no backup for the backup. Unlike most other systems, an ADSM installation has no backup. In general, a wrong computation can be duplicated after correction of the problem, lost data can be retrieved from a backup. If, however, the backup and archive system is malfunctioning, there is no rescue.