### CacheISAPI

This property indicates whether ISAPI extensions are cached in memory after use. If the value of this property is TRUE, the .dll file will remain in the cache until the server is stopped. If the value is FALSE, extensions are unloaded from memory once the extension .dll is no longer in use.

ISAPI extensions are cached or not cached based on the value of this property at the time they were loaded into memory for use. Thus, if this property is changed after an extension has been loaded and cached, the change will have no effect on that extension.

Data type | Boolean
Default value | TRUE
Inheritance | Inheritable

###### Access Locations

This property is accessible at the following locations:

Metabase Path | Key Type
/LM/W3SVC/1 | IIsWebServer
/LM/W3SVC | IIsWebService
/LM/W3SVC/N/ROOT | IIsWebVirtualDir
/LM/W3SVC/N/ROOT/WebVirtualDir | IIsWebVirtualDir
/LM/W3SVC/N/ROOT/WebVirtualDir/WebDirectory | IIsWebDirectory

###### IIS Admin Base Object Information

The following table lists additional information required only for code that uses the IIS Admin Base Object.

Metabase identifier | MD_CACHE_EXTENSIONS
Data type | DWORD_METADATA
User type | IIS_MD_UT_FILE

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