[This is preliminary documentation and subject to change]

### AppPoolQueueLength

This property indicates to the Universal Listener how many requests to queue up for an application pool before rejecting future requests with a 503 error when the limit set by this property is exceeded.

Note Setting the value of this property to 0 disables enforcing a maximum queue length.

Attribute Name | Attribute Value
Data Type | DWORD
Attributes | INHERIT
Default Value | 3000
MetaFlagsEx | CACHE_PROPERTY_MODIFIED | WAS_NOTIFICATION
User Type | IIS_MD_UT_SERVER
StartingNumber |
EndingNumber |
ID | 9017

### Access Locations

This property is accessible at the following locations:

Metabase Path | IIS Admin Object Type
/LM/W3SVC/AppPools | IIsApplicationPools

### 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_APPPOOL_UL_APPPOOL_QUEUE_LENGTH
Data type | DWORD
User type | IIS_MD_UT_SERVER

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