[This is preliminary documentation and subject to change]

### AppPoolId

The value of this property specifies the name for an application pool that is used by default if an AppPoolID is not specified by the administrator.

Note An application inherits its AppPoolId from its nearest application parent that has the AppPoolId property set. If none of the application's parents have this property set, the application pool will inherit this setting from its site, or from the W3SVC setting if not set at the site level. If no valid AppPoolId is available thru inheritance, the application pool fails and an error is written in the event log.

Attribute Name | Attribute Value
Data Type | STRING
Attributes | INHERIT
Default Value | null
MetaFlagsEx | CACHE_PROPERTY_MODIFIED | WAS_NOTIFICATION
User Type | IIS_MD_UT_SERVER
StartingNumber |
EndingNumber |
ID | 9101

### Access Locations

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

### 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_APP_APPPOOL_ID
Data type | STRING
User type | IIS_MD_UT_SERVER

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