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PEER_E_INVALID_GROUP_PROPERTIES
Where the peer stack rejects the operation
PEER_E_INVALID_GROUP_PROPERTIES — HRESULT 0x80632040 marks the PEER_GROUP_PROPERTIES structure contains a field combination the grouping layer cannot apply. 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 PeerGroupCreate, PeerGroupGetProperties and PeerGroupSetProperties.
- Preserve structure version/size, group peer name, friendly name, classifier, cloud, scope, flags, authentication scheme and the create/set call.
- 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
Start from properties returned by a successful group or documented sample, change one field at a time and preserve the exact rejected structure. 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 structure version/size, group peer name, friendly name, classifier, cloud, scope, flags, authentication scheme and the create/set call. |
| After correction | correct the offending field or incompatible combination; do not assume every property can be changed after creation. |
Neighboring result
PEER_E_INVALID_ROLE_PROPERTY differs because group-properties covers the overall structure; invalid-role-property isolates a role value. Keep both HRESULT values in chronological order because a corrected prerequisite can expose the next validation stage.
Safe response
Correct the offending field or incompatible combination; do not assume every property can be changed after creation. 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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