| Event Id | 2261 |
| Source | W3SVC-WP |
| Description | An attempt was made to load filter C:\WINDOWS\system32\inetsrv\iismon\IISMonHi.dll but it requires the SF_NOTIFY_READ_RAW_DATA filter notification and this notification is not supported in Worker Process Isolation Mode. |
| Event Information | If you cannot redesign the filter, you can work around this problem by running IIS in IIS5.0 isolation mode.
For additional information, click the following article Link to view the article . <a href="http://support.microsoft.com/kb/Q311852/EN-US/" target="_blank">Q311852</a> |
| Reference Links | IIS 6.0: ISAPI Filters for Earlier Versions of IIS May Not Load |
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