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PEER_E_DBINITIALIZATION_FAILED
Diagnostic boundary for PEER_E_DBINITIALIZATION_FAILED
HRESULT 0x80630303 marks the peer database could not be initialized, including the documented case where a database from an earlier Windows environment cannot be loaded during upgrade. Investigate the first API that reports it rather than a later user-interface wrapper.
Questions that separate the failure
- Was the object returned by PeerGraphOpen, PeerGroupOpen and database migration/import operations, or reconstructed from cached text or another process?
- Preserve database version/provenance, OS version before and after migration, file hashes, first database error and whether a fresh empty database initializes.
- Did shutdown, deletion, sign-out, expiration or replication occur between object selection and use?
- Does the operation succeed under the controlled comparison described below?
Peer records combine a typed record structure, optional searchable XML attributes, payload data, creator metadata and expiration. The local database may receive records in an order different from application dependencies.
Controlled comparison
Preserve the original database, initialize a fresh store with the same graph/group identity, and separately test a supported export/import path. Keep identity, graph or group ID, cloud and user context fixed unless one of them is the tested variable.
Decision table
| Observed result | Next action for this HRESULT |
|---|---|
| The HRESULT repeats with identical captured state | Inspect the caller contract and local replicated store; repeated network retries add no evidence. |
The call advances to PEER_E_INVALID_DATABASE | PEER_E_INVALID_DATABASE differs because initialization failure is a load/upgrade problem; invalid-database identifies graph identity inconsistency during import. |
| The controlled run succeeds but production does not | Compare user token, database path, cloud, endpoint, certificate chain and effective firewall policy. |
Safe remediation and verification
Recover through supported export/import or recreate only after preserving evidence; do not overwrite the sole legacy database during experimentation. Back up exportable identity and group configuration, and hash database or invitation artifacts before modifying them.
The repair is complete only when the intended operation succeeds and its resulting connection, record, membership, endpoint or collaboration scope can be independently enumerated.
References
- Microsoft: Record attribute schema — it uses this source for the documented peer boundary.
- Microsoft: Record search query format
- Microsoft: Record dependencies
- Microsoft: Grouping API functions
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