ERROR_IPSEC_MM_POLICY_NOT_FOUND: meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The requested legacy IPsec Main Mode policy object was not found.

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ERROR_IPSEC_MM_POLICY_EXISTS	ERROR_IPSEC_MM_POLICY_IN_USE

ERROR_IPSEC_MM_POLICY_NOT_FOUND

ERROR_IPSEC_MM_POLICY_NOT_FOUND (0x000032CC) This indicates that a tool tried to read, change, or delete a Main Mode policy object that does not exist in the active policy store. The operation may target the wrong policy store, use a stale name, or run before Group Policy has applied.

What to check

Enumerate the active Main Mode rules and confirm the exact display name, policy store, and deployment source.
Check whether Group Policy refresh, policy removal, or a previous cleanup task already removed the object.
For automation, treat missing-on-delete as a state to reconcile rather than recreating unrelated IPsec policies.

Get-NetIPsecMainModeRule

Microsoft: Get-NetIPsecMainModeRule

Microsoft: IPsec/IKE system error codes

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