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PEER_E_INVALID_PEER_NAME
The state transition represented by the HRESULT
PEER_E_INVALID_PEER_NAME — HRESULT 0x80632050 marks a secure or unsecured peer name does not follow the syntax expected by PNRP, Identity Manager or Grouping. A previously successful call does not guarantee that the later handle, identity, record or network presence is still valid.
Reconstruct the sequence
- Identify the first call among PeerIdentityCreate, PeerGroupCreate and PNRP registration/resolution that returned the HRESULT.
- Preserve original Unicode peer name, authority/classifier split, secured versus unsecured form, normalization and the API that parsed it.
- Correlate graph, group, PNRP and collaboration events with application cancellation, disconnect, shutdown and sign-out events.
- Run the narrow comparison: obtain a peer name directly from PeerIdentityCreate or group creation and compare it with the manually constructed value.
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.
Interpretation matrix
| Observation | Interpretation |
|---|---|
| No create, open or enumerate call returned the object | The failure is upstream of the group membership described here. |
| A close, delete, disconnect, expiration or sign-out event came first | Investigate an object-lifetime race before malformed network data. |
| The controlled run advances to another HRESULT | The original GMC trust chain was corrected and the new code names the next unmet prerequisite. |
Closest alternative diagnosis
PEER_E_INVALID_CLASSIFIER differs because peer-name format includes authority and classifier; invalid-classifier focuses on the classifier component. The two codes can occur in one workflow, but they do not justify the same remediation.
Correction and proof
Use API-generated peer names and keep display labels separate from protocol identifiers. Verify the result by enumerating the expected records, members, connections, endpoints or presence state rather than merely observing that the call stopped failing.
Source material
- 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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