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PEER_E_TIMEOUT
The state transition represented by the HRESULT
PEER_E_TIMEOUT — HRESULT 0x80637005 marks the local peer exceeded the allowed interval while connecting to an endpoint for subscription or invitation. 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 PeerCollabSubscribeEndpointData and invitation APIs that returned the HRESULT.
- Preserve target endpoint and addresses, operation type, start/end time, firewall and route observations, remote presence state and async event sequence.
- Correlate graph, group, PNRP and collaboration events with application cancellation, disconnect, shutdown and sign-out events.
- Run the narrow comparison: repeat against a known responsive endpoint on the same subnet and compare with the original target using the same timeout.
Peer Collaboration provides serverless presence, contacts, endpoint subscriptions and invitations. Its operations depend on an interactive user context, explicit sign-in scopes and firewall/privacy consent.
Interpretation matrix
| Observation | Interpretation |
|---|---|
| No create, open or enumerate call returned the object | The failure is upstream of the presence session 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 invitation workflow was corrected and the new code names the next unmet prerequisite. |
Closest alternative diagnosis
PEER_E_INVITE_RESPONSE_NOT_AVAILABLE differs because timeout is a final elapsed-time outcome; response-not-available is a result requested before completion signaling. The two codes can occur in one workflow, but they do not justify the same remediation.
Correction and proof
Fix reachability or remote application availability and use bounded cancellation-aware waits rather than unbounded retries. 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: About the Peer Collaboration API — it uses this source for the documented peer boundary.
- Microsoft: Collaboration API functions
- Microsoft: People Near Me requirements
- Microsoft: Windows Firewall rules
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