Start/notes.ini Parameters/BUSYTIME_LIMIT_SETTINGS

BUSYTIME_LIMIT_SETTINGS

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Parameter: BUSYTIME_LIMIT_SETTINGS
Short description: Limits the time window that Calendar/Free-Time lookups read back from busytime.nsf, and therefore the response size per request.

Profile

Parameter
BUSYTIME_LIMIT_SETTINGS
Category
Mail / Router
Component
Server
Available since
9.0.1
Supported versions
9.0.1, 10.0, 11.0, 12.0, 14.0, 14.5, 14.5.1
GUI equivalent
Configuration document (Calendar & Scheduling)
Possible values
min,max (days); typically e.g. 30,180

Description

Free/Busy queries from the Calendar run against busytime.nsf (or the cluster equivalent clubusy.nsf). Without a limit, clients can request time windows spanning several years – this produces huge responses and CPU load. BUSYTIME_LIMIT_SETTINGS defines a day interval (min/max) outside of which lookups are rejected or limited.

Example configuration

BUSYTIME_LIMIT_SETTINGS=30,180

Notes & pitfalls

  • Value in days.
  • For Outlook iCal sharing, 90–180 is often a good fit, otherwise 30–60 is usually enough.
  • Complements BUSYTIME_TASK_INTERVAL (refresh interval).
  • Values that are too narrow can lead to missing free-time suggestions for recurring meetings.
  • The change takes effect after a restart of the Sched/Calconn task or after a server restart.