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ERROR_NO_ACE_CONDITION
the specified access-control entry does not contain a condition.
ERROR_NO_ACE_CONDITION indicates this condition: Conditional ACE APIs expect a callback or resource-attribute expression embedded in the access-control entry. This result means the caller asked to read, evaluate, or modify a condition on an ACE type that has none.
Where the result appears
- GetAce or security-descriptor tooling inspecting conditional ACEs.
- central access policy and dynamic access control utilities.
- administrative code converting SDDL to structured ACL data.
- authorization diagnostics that assume every callback ACE contains a condition.
What to collect
- the ACE type, flags, size, SID, and raw bytes.
- the source SDDL and the parsed security descriptor.
- which API expected a condition and why.
- whether the ACL was canonicalized or transformed before inspection.
Handling and recovery
Check the ACE type before requesting its condition. Treat absence as a valid structural case when the contract allows ordinary, unconditional ACEs; only report corruption when the surrounding descriptor violates its documented format.
Common misinterpretation
An ACE without a condition is not automatically invalid. Many common allow and deny ACEs are intentionally unconditional.
References
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