HRESULT 0x8011045D (COMADMIN_E_AMBIGUOUS_PARTITION

Status / error code:

Category:

Constant name:

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Facility:

Operating System:

Description:

A partition name does not resolve uniquely to a partition ID.

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COMADMIN_E_AMBIGUOUS_APPLICATION_NAME	COMADMIN_E_REGDB_NOTINITIALIZED

COMADMIN_E_AMBIGUOUS_PARTITION_NAME

COMADMIN_E_AMBIGUOUS_PARTITION_NAME is the failure HRESULT 0x8011045D (signed decimal -2146368419, unsigned decimal 2148598877). Its severity bit is 1, facility is 17 (FACILITY_ITF), and the facility-specific code field is 0x045D.

COM+ partition administration: exact meaning of COMADMIN_E_AMBIGUOUS_PARTITION_NAME

A partition name does not resolve uniquely to a partition ID. Partition-aware administration performs name lookup and finds multiple candidates or an ambiguous catalog state.

AllStat records this condition as “The partition name is not unique and cannot be resolved to a partition id”.

Where COMADMIN_E_AMBIGUOUS_PARTITION_NAME occurs

Partitions are logical containers with explicit IDs, names, user defaults, application contents, and platform enablement; operations must use the intended partition rather than assume a global namespace. In the specific case of COMADMIN_E_AMBIGUOUS_PARTITION_NAME, enumerate partition IDs/names through ICOMAdminCatalog2 and capture the caller’s current partition context.

Evidence to collect before repair

For COMADMIN_E_AMBIGUOUS_PARTITION_NAME, preserve all matching partition IDs and exact Unicode names; it anchors the failure to the real administration object.
Evidence for COMADMIN_E_AMBIGUOUS_PARTITION_NAME should include catalog migration or provisioning history, captured before a repair changes state.
Collect the lookup method and caller partition context when diagnosing COMADMIN_E_AMBIGUOUS_PARTITION_NAME; without it the symbolic HRESULT is underdetermined.
The COMADMIN_E_AMBIGUOUS_PARTITION_NAME investigation needs default-user and application assignments for each candidate so the exact failing boundary remains reconstructable.

Diagnostic sequence for COMADMIN_E_AMBIGUOUS_PARTITION_NAME

For COMADMIN_E_AMBIGUOUS_PARTITION_NAME, enumerate partitions by ID.
At the COMADMIN_E_AMBIGUOUS_PARTITION_NAME boundary, identify the intended container from applications and assignments.
The next COMADMIN_E_AMBIGUOUS_PARTITION_NAME diagnostic action is to change automation to use the partition ID.
To isolate COMADMIN_E_AMBIGUOUS_PARTITION_NAME, repair duplicate naming through supported catalog operations.
For COMADMIN_E_AMBIGUOUS_PARTITION_NAME, repeat lookup and verify a single resolved ID.

Retry and recovery

Use the exact partition ID and repair duplicate naming if the catalog permits it.

Difference from nearby COMADMIN results

COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME prevents a new collision; this value reports ambiguous lookup.

Practical administration scenario

Migration leaves two discoverable partition records with the same friendly name and name-based automation cannot choose one.

Official Microsoft references for COMADMIN_E_AMBIGUOUS_PARTITION_NAME

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