Sets metadata options for a web core activation.


   IN PCWSTR pszMetadataType,  
   IN PCWSTR pszValue  


Parameter Description
pszMetadataType The data type for the metadata.
pszValue The option value.

Return Value

An HRESULT. Possible values include, but are not limited to, those in the following table.

Value Description
S_OK Indicates that the operation was successful.
ERROR_SERVICE_ALREADY_RUNNING Indicates that an instance of the Hosted Web Core is already running in the process.
ERROR_NOT_SUPPORTED Indicates that the metadata being set is not supported
ERROR_INVALID_DATA Indicates that a configuration error occurred in the configuration file.


If the PFN_WEB_CORE_ACTIVATE function returns an ERROR_INVALID_DATA message, the Event Viewer may contain additional details regarding the cause of the failure.


Type Description
Client - IIS 7.0 on Windows Vista
- IIS 7.5 on Windows 7
- IIS 8.0 on Windows 8
- IIS 10.0 on Windows 10
Server - IIS 7.0 on Windows Server 2008
- IIS 7.5 on Windows Server 2008 R2
- IIS 8.0 on Windows Server 2012
- IIS 8.5 on Windows Server 2012 R2
- IIS 10.0 on Windows Server 2016 Technical Preview
Product - IIS 7.0, IIS 7.5, IIS 8.0, IIS 8.5, IIS 10.0
- IIS Express 7.5, IIS Express 8.0, IIS Express 10.0
Header Hwebcore.h