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KB #: 1792377
IS schedulers hung after daylight savings.
For all types for schedulers in IS server, the next run shows 0.0 and the target service not executing.
Set the extended property
Sites can suspend and resume their tasks, beginning with the complex tasks (which is the source of the issue), then proceeding through the one-time and interval tasks.
Software AG has identified the core issue and the solution will be included in the next official core Fixes.