UIM rsp probe Not working for WMI

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

The rsp probe is deployed at a Windows robot and yet still fails to connect with the Windows target systems. 

Cause

The Windows system is configured with NAT enabled which prevents the WMI calls from working.  

Environment

Release : 8.x, 9.x, 20.x

Component : UIM - RSP

Resolution

DCOM which WMI uses must be configured correctly. 
See the linked sites below. 

Additional Information

rsp log sample: 
Apr 21 22:13:15:643 [7124] rsp: Error = The object exporter specified was not found.
Apr 21 22:13:15:643 [7124] rsp: The object exporter specified was not found.: rsp_wmi_error 
Apr 21 22:13:15:643 [7124] rsp: WMIWrapper::InitializeWmi - ConnectServer failed: The object exporter specified was not found.

How to test WMI connectivity using Microsoft Windows tools.
Article Id: 34976
https://comm.support.ca.com/kb/how-to-test-wmi-connectivity-using-microsoft-windows-tools/kb000034976 


Helpful Microsoft documentation:
PRB: DCOM Does Not Work over Network Address Translation-Based Firewall
https://support.microsoft.com/en-my/help/248809/prb-dcom-does-not-work-over-network-address-translation-based-firewall

49154-49155 TCP ports are required for DCOM

Securing a Remote WMI Connection
https://docs.microsoft.com/en-us/windows/win32/wmisdk/securing-a-remote-wmi-connection