SL_E_CHPA_FAILED_TO_DELETE_PRODUCT_KEY

Status / error code:

Category:

Constant name:

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Operating System:

Description:

The activation server reported that it failed to delete product key property.

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SL_E_CHPA_FAILED_TO_UPDATE_PRODUCT_KEY_PROPERTY	SL_E_CHPA_UNKNOWN_PRODUCT_KEY_TYPE

SL_E_CHPA_FAILED_TO_DELETE_PRODUCT_KEY_PROPERTY

Meaning in the licensing pipeline

When SL_E_CHPA_FAILED_TO_DELETE_PRODUCT_KEY_PROPERTY returns 0xC004C75C, diagnosis has reached the CHPA activation-server workflow. Specifically, the server cannot remove an existing property from the product-key record.

This result comes from activation-service processing after request construction. The useful distinction is whether a business rule, schema field, key record or persistence operation failed. The code is not interchangeable with deleting the entire product-key binding or record.

Windows reports “The activation server reported that it failed to delete product key property”.

Position

Stage	Role
CHPA input	The server receives a key-management or activation payload with business-rule inputs.
Schema and rule evaluation	Key type, properties, bindings and program rules are validated before the operation can commit.
Persistent operation	Insert, update, delete or lookup state is part of the producing operation.
Server response	The client sees this result after CHPA rejects or cannot persist the requested change.

Data that proves the condition

Evidence	Question answered
activation request ID and CHPA/server timestamp	Which CHPA entity was being inserted, updated, deleted or queried?
product-key record identity and key type	Did schema validation finish before persistence was attempted?
business-rule name or server operation	Is another transaction using the same product-key record?
property name/ID, type, parent record and proposed value hash	Can caller identity and elevation be captured before changing state?
Code-specific distinction	Does the evidence support “inspect dependencies and server transaction state before retrying the exact delete once” rather than deleting the entire product-key binding or record?

A controlled investigation

Before remediation, confirm that the failure is not instead the neighboring condition: deleting the entire product-key binding or record.
Record 0xC004C75C, UTC time, caller and the first method or server request that returned it.
Capture caller identity and elevation.

REM Evidence context: SL_E_CHPA_FAILED_TO_DELETE_PRODUCT_KEY_PROPERTY
cscript %windir%\system32\slmgr.vbs /dlv
cscript %windir%\system32\slmgr.vbs /ato

Nearby HRESULTs

Result	Different condition
`SL_E_CHPA_FAILED_TO_UPDATE_PRODUCT_KEY_PROPERTY`	the server cannot commit a change to an existing product-key property
`SL_E_CHPA_FAILED_TO_INSERT_PRODUCT_KEY_PROPERTY`	the server cannot add a new property to a product-key record
`SL_E_CHPA_FAILED_TO_PROCESS_PRODUCT_KEY_BINDINGS_XML`	the XML document carrying product-key binding changes cannot be parsed or applied

A focused reproduction for this exact result

Control	Design
Failing fixture	A business rule still references the property targeted for removal.
Single variable	Change only object existence, references and ownership at deletion time.
Positive control	The targeted object is removed after dependencies and concurrent users are cleared.
Different result	If the experiment instead proves “the server cannot commit a change to an existing product-key property”, diagnose that condition separately rather than treating it as this HRESULT.

Correction and regression check

To correct this using supported mechanisms, inspect dependencies and server transaction state before retrying the exact delete once.

Changes that make this code harder to diagnose

Avoid treating a failed database operation as a client connectivity problem.
Avoid launching parallel requests against the same key record.
Avoid editing server XML or properties without preserving the rejected payload.

Technical references

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