security.caches page error: Unable to process request

Products

• Clarity PPM On Premise

Issue/Introduction

When navigating to the security.caches page we get an error randomly.

Unable to process request - Server or Network error

What can be the reason?

Environment

Clarity 16.0.1

Cause

Multicasting issue

Resolution

Try the security.caches URL directly on each one of the app servers. 

Verify the URL is working correctly in of them while failing on the other one.

Review the configuration of the nodes and ensure multicasting settings are correct