[This is preliminary documentation and subject to change]
This property establishes the number of bytes a Web server will read into a buffer and pass to an ISAPI extension. This occurs once per client request. The ISAPI extension receives any additional data directly from the client. The range is 0 to &HFFFFFFFF (4GB).
| Attribute Name | Attribute Value |
| Data Type | DWORD |
| Attributes | INHERIT |
| Default Value | 49152 |
| MetaFlagsEx | CACHE_PROPERTY_MODIFIED |
| User Type | IIS_MD_UT_FILE |
| StartingNumber | |
| EndingNumber | 0 |
| ID | 6045 |
This property is accessible at the following locations:
| Metabase Path | IIS Admin Object Type |
| /LM/W3SVC/2 | IIsWebServer |
| /LM/W3SVC/Info/Templates/Public Web Site | IIsWebServer |
| /LM/W3SVC/Info/Templates/Secure Web Site | IIsWebServer |
| /LM/W3SVC | IIsWebService |
| /LM/W3SVC/1/ROOT | IIsWebVirtualDir |
| /LM/W3SVC/1/ROOT/_vti_bin | IIsWebVirtualDir |
| /LM/W3SVC/1/ROOT/IISAdmin | IIsWebVirtualDir |
| /LM/W3SVC/1/ROOT/IISHelp | IIsWebVirtualDir |
| /LM/W3SVC/1/ROOT/MSADC | IIsWebVirtualDir |
| /LM/W3SVC/1/ROOT/Scripts | IIsWebVirtualDir |
| /LM/W3SVC/2/ROOT | IIsWebVirtualDir |
| /LM/W3SVC/2/ROOT/IISAdmin | IIsWebVirtualDir |
The following table lists additional information required only for code that uses the IIS Admin Base Object.
| Metabase identifier | MD_UPLOAD_READAHEAD_SIZE |
| Data type | DWORD |
| User type | IIS_MD_UT_FILE |