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COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME is the failure HRESULT 0x80110457 (signed decimal -2146368425, unsigned decimal 2148598871). Its severity bit is 1, facility is 17 (FACILITY_ITF), and the facility-specific code field is 0x0457.
COM+ partition administration: exact meaning of COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME
A COM+ partition with the requested name already exists on the computer. Partition creation or rename enforces local partition-name uniqueness.
AllStat records this condition as “The specified partition name is already in use on this computer”.
Where COMADMIN_E_CAT_DUPLICATE_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_CAT_DUPLICATE_PARTITION_NAME, enumerate partition IDs and names, normalize the proposed name, and identify whether an existing partition is the intended target.
Evidence to collect before repair
- Collect all local partition IDs and exact names when diagnosing
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME; without it the symbolic HRESULT is underdetermined. - The
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAMEinvestigation needs the proposed raw and normalized name so the exact failing boundary remains reconstructable. - For
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME, preserve the create/rename operation and provisioning run identifier; it anchors the failure to the real administration object. - Evidence for
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAMEshould include the existing partition’s applications and user assignments, captured before a repair changes state.
Diagnostic sequence for COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME
- The next
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAMEdiagnostic action is to enumerate partitions through ICOMAdminCatalog2. - To isolate
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME, compare normalized names and IDs. - For
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME, reuse the existing partition only when it is the intended container. - At the
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAMEboundary, choose a stable unique name otherwise. - The next
COMADMIN_E_CAT_DUPLICATE_PARTITION_NAMEdiagnostic action is to repeat creation/rename and verify the resulting partition ID.
Practical administration scenario
Provisioning reruns without checking existing partitions and attempts to create Production again.
Retry and recovery
Reuse/update the existing partition or choose a deliberate unique name.
Difference from nearby COMADMIN results
COMADMIN_E_AMBIGUOUS_PARTITION_NAME means a supplied name resolves non-uniquely during lookup, while this code blocks creation of a duplicate.
Official Microsoft references for COMADMIN_E_CAT_DUPLICATE_PARTITION_NAME
- Microsoft: COMADMIN error codes
- Microsoft: what COM+ partitions are
- Microsoft: managing local COM+ partitions
- Microsoft: ICOMAdminCatalog2
- Microsoft: the COM+ catalog
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