KB485133: "Error in login: Login failure" with Standard or LDAP authentication when fencing is enabled in MicroStrategy 2021 Update 2

Description

After upgrading to Strategy 2021 Update 2, Standard or LDAP authentication fails when fencing is configured and enabled in Strategy Web Administration > Other Configuration. 

Steps to reproduce

• Set up a cluster. 
• Enable fencing, as described in KB318755. For example:
  

  
  CREATE USERFENCE "fence1" USERS "ADMINISTRATOR" NODES "node1", "node2" PROJECTS "Strategy Tutorial" PRECEDENCE 1;

  
  
• Go to Web Administration > Other Configuration, select the Enable fencing checkbox.
  

• Log into Web with a Web user and make sure user login has a non-empty password.

Why is this happening?

In Strategy 2021 Update 2, when fencing is enabled, Strategy Web sends a

createsession

Solution

This issue has been addressed in Strategy 2021 Update 3. Please upgrade to take advantage of this fix. 

Workaround

It is recommended that you disable user fencing:

1. Go to Web Administration > Other Configuration.
2. Deselect the Enable fencing checkbox.

Trusted, Integrated, and SAML/OIDC authentication methods are not affected by this issue and can be used as an alternative to Standard or LDAP authentication.