Intermittent 404 error while accessing F5 load balanced CRM
We recently configured F5 load balancer with 2 CRM application servers and deployed our build.
Within no time we started getting “404 Not Found” randomly while navigating with in the CRM application and up on refresh CRM screen loading properly.
Reason and Fix
- In one of the 2 CRM application servers, CRM website running on different port other than 80.
- So, when request made from load balancer to the wrongly bind CRM server, it was looking for CRM website from port 80 which was not available.
- Up on refresh, if Load Balancer connects to the Application server with CRM on 80 port, its showing up.
- We corrected CRM application port binding to 80 to fix the issue.
🙂
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Rajeev Pentyala - Microsoft Power Platform 