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STATUS_WRONG_CREDENTIAL_HANDLE
The credential handle does not match the security context
SSPI separates credential handles from security contexts. A credential handle represents available credentials, while a context represents a negotiated relationship with a peer. This status means the two do not belong together for the requested operation.
Look for handle lifetime, package mismatch, cross-thread sharing, credential refresh, or reconnect code that mixes handles from different negotiations. Retrying authentication with the same bad handle pairing usually reproduces the same failure.
What to inspect
- Log the security package and handle ownership for every SSPI step.
- Ensure that cleanup of old contexts cannot race with new credential acquisition.
- Do not pass Kerberos, NTLM, Schannel or CredSSP handles interchangeably.
References
- Microsoft: InitializeSecurityContext with Negotiate
- Microsoft: AcquireCredentialsHandle
- Microsoft Open Specifications: MS-KILE
- Microsoft Open Specifications: NTSTATUS values
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