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Provider Registry Entries

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Providers are identified in the registry by the OLE DB Provider subkey under the class ID of the provider. Under HKEY_CLASSES_ROOT, providers must have the following subkeys and values for the extension of persisted data source object files and for the programmatic identifier.

Keys and subkeys

Name

Value

HKEY_CLASSES_ROOT

CLSID

ProviderCLSID

(Default)

VersionIndependentProgID

OLEDB_SERVICES

SupportedServices[1]

ExtendedErrors[2]

(Default)

Extended Error Service

ErrorLookupCLSID[2]

(Default)

FriendlyDisplayName

InprocServer32

(Default)

ProviderDLLFilename

ThreadingModel

Apartment|Free|Both

OLE DB Provider

(Default)

Description

ProgID

(Default)

ProviderProgID

VersionIndependentProgID

(Default)

VersionIndependentProgID

ProviderProgID

(Default)

Description

Clsid

(Default)

ProviderCLSID

[1] Generally 0xffffffff.

[2] If Error Lookup Service is supported.

When an instance of the object is first created, providers return an interface pointer on a data source object. For more information about data source objects, see Data Source Objects (OLE DB).