Cannot login to CA UIM hub using infrastructure manager

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

Facing login issue on UIM hub with Infrastructure manager .Getting login failed with any user (LDAP/non -LDAP)
Error message as below

<Please see attached file for image>

Environment

UIM 8.5x

Resolution

Can see access denied errors in hub logs

<Please see attached file for image>

If we check the hub.cfg can see setting login = nobody 

<Please see attached file for image>

This corresponds to below setting in hub probe GUI

<Please see attached file for image>

Resolution

Stop Nimsoft Robot watcher service 

change below setting in hub.cfg and start the Nimsoft robot watcher service

login = nobody
to 
login = normal 

After this can login to the hub using Infrastructure manager as expected