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STATUS_INSUFFICIENT_RESOURCE_FOR_SPECIFIED_SHARED_SECTION_SIZE
Session desktop heap allocation failed
This status points at session memory used by desktops and window stations. It is frequently seen as a desktop-heap or shared-section allocation problem, especially on systems with many services, sessions, or processes that create windows and hooks.
The fix is not simply adding disk space. The evidence should show how many sessions/desktops/processes exist and whether the configured shared-section values and desktop heap usage match the workload.
What to inspect
- Review System event log entries about desktop heap or session memory.
- Count interactive sessions, services with desktop interaction, and GUI processes.
- Adjust shared-section settings only after confirming the heap pressure source.
References
- Microsoft: Desktop heap limitation and out-of-memory errors
- Microsoft: Kernel object namespaces
- Microsoft: Terminal Services API portal
- Microsoft Open Specifications: NTSTATUS values
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