Event ID - 5190

Event Id5190
SourceMicrosoft-Windows-WAS
DescriptionThe Windows Process Activation Service has encountered an error during the SID mapping for the application pool '%1'. The application pool will be disabled. This typically happens if there are more than one application pool name that maps to the same SID. To resolve this issue, please change the name of the app pool and recommit the configuration changes. The data field contains the error number.
Event Information According to Microsoft :
Cause :
This event is logged when Windows Process Activation Service has encountered an error during the SID mapping for the application pool.
Resolution :
Change the application pool name
To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.
To change the application pool name:
1.Click Start , click Control Panel , and then click Administrative Tools .
2.Right-click Internet Information Services (IIS) Manager and select Run as administrator .
3.In the Connections pane, expand the server node and click Application Pools .
4.On the Application Pools page, select the application pool you want to rename.
5.In the Actions pane, under Edit Application Pool , click Rename , type the new name in the rename text box, and then press ENTER or click outside the rename text box.
Verify :
To perform this procedure, you must have membership in Administrators , or you must have been delegated the appropriate authority.
To verify that an application pool has started:
1.Click Start , click Control Panel , and then click Administrative Tools .
2.Right-click Internet Information Services (IIS) Manager and select Run as administrator .
3.In the Connections pane, expand the server node and select Application Pools .
4.In Features View , the Status column for the application pool will indicate Started if the application pool has started.
Reference LinksEvent ID 5190 from Microsoft-Windows-WAS

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