|Applies To||RSA Product Set: Archer|
RSA Product/Service Type: Archer
RSA Version/Condition: 5.X
|Issue||Receiving 503 errors - service unavailable. IIS (Application Pool) for Archer site crashes.|
|Cause||3rd party process causing out of memory exception|
1. CPU spikes in relation to the W3WP process.
2. Windows Event Viewer has "Warning" level event entries similar to:
Event Type: Warning
Event Source: W3SVC
Event Category: None
Event ID: 1011
A process serving application pool 'DefaultAppPool' suffered a fatal communication error with the World Wide Web Publishing Service. The process id was '1234'. The data field contains the error number.
Reference following Microsoft KB:
Downloaded Debug Diagnostics Tool and targeted the Archer App Pool.