SYMPTOM:
The following warning message appears in the Windows Event Viewer on a Strategy Web 8.1.2 machine and users may notice some performance issues:

ISAPI 'C:\WINDOWS\Microsoft .Net\Framework\v.1.1.4322\aspnet_isapi.dll' reported itself as unhealthy for the following reason: 'Deadlock detected’
CAUSE:
A reason for the error is that ASP.NET limits the number of worker threads and completion port threads that a call can use to execute requests.
ACTION:
Refer to the following Microsoft web page for information on how change the Machine.config file and other related steps:
http://support.microsoft.com/kb/821268
Customers may contact their Account Executive to inquire about Strategy Consulting assistance with tuning their system and incorporating the information in the Microsoft document.
Refer to the following Strategy Knowledge Base technical note for more information:
KB10772 (KB5600-75x-1795): 'ISAPI `\aspnet_isapi.dll` reported itself as unhealthy for the following reason: `Deadlock detected`' warning message appears in the Windows Event Viewer on a Strategy Web machine
Third Party Software Installation:
WARNING:
The third-party product(s) discussed in this technical note is manufactured by vendors independent of Strategy. Strategy makes no warranty, express, implied or otherwise, regarding this product, including its performance or reliability.