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PEER_E_INVALID_CREDENTIAL
Where the peer stack rejects the operation
PEER_E_INVALID_CREDENTIAL — HRESULT 0x80632082 marks the invitation or membership credential supplied to join the peer group is invalid as a credential package. Treat it as a group membership result rather than a generic peer-networking failure.
Peer Grouping layers membership credentials, roles, record signing and encrypted connections on top of graphing and PNRP. Local open state, online connection state and authorization state are separate.
Evidence to preserve before retrying
- Record the first failing surface among PeerGroupParseInvitation, PeerGroupJoin and PeerGroupPasswordJoin.
- Preserve exact invitation XML, parse result, group peer name, identity name, password-join mode, signatures and expiry.
- Place successful creation or discovery, state-changing events and the failing call on one timeline.
- Keep peer names, identities, record identifiers, invitation data and endpoints in their original Unicode or binary representation.
Controlled isolation
Parse and join with a newly generated invitation for the same identity, preserving the XML as opaque Unicode text. Change one variable only; simultaneous changes to identity, cloud, database and firewall state destroy attribution.
| Checkpoint | Question for this HRESULT |
|---|---|
| Before the API | Was the required GMC trust chain obtained in this process and user context? |
| At the HRESULT | Preserve exact invitation XML, parse result, group peer name, identity name, password-join mode, signatures and expiry. |
| After correction | obtain a fresh credential from an authorized issuer and avoid transformations that alter base64, XML namespaces or signatures. |
Neighboring result
PEER_E_INVITATION_NOT_TRUSTED differs because invalid-credential covers malformed/inconsistent join data; invitation-not-trusted is specifically a trust-verification failure. Keep both HRESULT values in chronological order because a corrected prerequisite can expose the next validation stage.
Safe response
Obtain a fresh credential from an authorized issuer and avoid transformations that alter base64, XML namespaces or signatures. Preserve durable graph databases, group exports, identity certificates and invitation artifacts before changing them.
References
- Microsoft: Grouping API functions — it uses this source for the documented peer boundary.
- Microsoft: How to connect to a peer group
- Microsoft: How group security works
- Microsoft Open Specifications: Peer-to-peer grouping overview
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