What does HRESULT 0xC00E0024 (MQ_ERROR_CANNOT_IMPERSONATE_CLIENT) mean?

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MQ_ERROR_CANNOT_IMPERSONATE_CLIENT: The security credentials cannot be verified because the RPC server cannot impersonate the client application.

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MQ_ERROR_SECURITY_DESCRIPTOR_TOO_SMALL	MQ_ERROR_ACCESS_DENIED

MQ_ERROR_CANNOT_IMPERSONATE_CLIENT

MQ_ERROR_CANNOT_IMPERSONATE_CLIENT means that the server-side component could not impersonate the client application while verifying security credentials. The failure is in establishing or using the caller security context, not merely in locating a queue.

What to check

Confirm that the client is using an authentication context that the server can impersonate for the requested operation.
Review the account, token, and delegation configuration involved in the directory-service or queue-security action.
Distinguish this result from a normal queue ACL denial, because changing the queue permission alone may not repair impersonation.

Microsoft: MessageQueueErrorCode reference

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