This property establishes the number of bytes a Web server will read into a buffer and pass to an ISAPI application. This occurs once. The ISAPI application receives any additional data directly from the client. The range is 0 to &HFFFFFFFF (4GB).
The following table describes this property:
| Data type | Long |
| Default value | 49152 (48K bytes) |
| Default inheritance | Inheritable |
Accessible by IIS Admin Objects:
| IIsWebService | IIsWebServer | IIsWebVirtualDir | IIsWebDirectory |
| IIsWebFile |