IIS Application Host Helper Service Availability
Applies To: Windows Server 2008 R2
The Internet Information Services (IIS) Application Host Helper Service requires access to a directory in which it can store temporary configuration files that it creates at run-time for application pools. The directory must be available to WAS and cannot be on a UNC path. If these conditions are not met, the Application Host Helper Service SID mapping functionality may be unavailable.
Events
| Event ID | Source | Message |
|---|---|---|
Microsoft-Windows-WAS |
The directory specified for the temporary application pool config files is either missing or is not accessible by the Windows Process Activation Service. Please specify an existing directory and/or ensure that it has proper access flags. The data field contains the error number. | |
Microsoft-Windows-WAS |
The Windows Process Activation Service failed to generate an application pool config file for application pool '%1'. The error type is '%2'. To resolve this issue, please ensure that the ApplicationHost.config file is correct and recommit the last configuration changes made. The data field contains the error number. | |
Microsoft-Windows-WAS |
The directory specified for the temporary application pool config files is a UNC path, which is not allowed. Please specify an existing local directory instead. The data field contains the error number. |