KB316621: Custom ESM is not called when a session timeout occurs while viewing a Visual Insight dashboard in MicroStrategy Web 10.3

SYMPTOM: 
Custom ESM is not called when a session timeout occurs while viewing a Visual Insight dashboard in Strategy Web 10.3. 
 
STEPS TO REPRODUCE:

1. Create a custom ESM to implement single sign on in Web by referring to the sample code on MSDZ: https://www2.Strategy.com/producthelp/Current/WebSDK/Content/topics/esm/Creating_a_Custom_External_Security_Module_ESM.htm
2. Go to Web, create a dashboard. Leave the page on.
3. Go to Developer and Administration > System Monitors > User Connections page,  select the user connection for the step 1 and disconnect it to kill the Web user session.
4. Go back to Web and note that the login editor is shown as below and custom ESM is not called.

CAUSE: 
This is a known defect with Strategy Web 10.3. 
 
ACTION: 
This issue has been addressed in Strategy 10.6 a "Feature Release". Before upgrading to the 10.6 version please review the differences between a "Feature Release" and a "Platform Release". These differences are detailed here. For any questions or concerns regarding the "Feature Release" and the "Platform Release" please contact Strategy Technical Support. 
 
WORKAOURND:
Go to folder where the Strategy web application is installed, then edit the file sys_defaults.xml under \WEB-INF\xml and change the value from 0 to 1 by modifying the property v="0" to v="1" in the following tag:
 

<pr des="Whether to disable login editor after session time out" n="disableLoginEditor" scp="system" v="1" dt="boolean"/>