The ServiceName property describes the type of Web service with which the IIS Virtual Root will be used.
| Type: | Null-terminated Unicode string | 
| Access: | Read/write | 
| Status: | Required | 
| Function: | ClusterResourceControl | 
| Structure: | CLUSPROP_SZ | 
| Control Code: | CLUSCTL_RESOURCE_GET_PRIVATE_PROPERTIES | 
When ClusterResourceControl processes the CLUSCTL_RESOURCE_GET_PRIVATE_PROPERTIES control code, it returns a property list that includes the ServiceName property as one of the entries. The property value portion of the entry contains a CLUSPROP_SZ structure that is set as follows:
CLUSPROP_SZ ServiceNameValue;
LPCWSTR ServiceNameData = L "W3SVC";
ServiceNameValue.Syntax = CLUSPROP_SYNTAX_LIST_VALUE_SZ;
ServiceNameValue.cbLength = sizeof(ServiceNameData);
lstrcpyW(ServiceNameValue.sz, ServiceNameData);
 There are three types of Web services for IIS Virtual Roots: WWW, FTP, and Gopher. Each type has a corresponding value for the ServiceName property. The following table maps these types with the appropriate value for their ServiceName property.
| Type of IIS Virtual Root | Value of ServiceName | 
|---|---|
| WWW | W3SVC | 
| FTP | MSFTPSVC | 
| Gopher | GOPHERSVC | 
  Version: Use Windows NT Server Enterprise Edition 4.0.
  Windows CE: Unsupported.
  Header: Declared in clusapi.h.