Remote Hub is offline and unreachablea

Products

• DX Unified Infrastructure Management (Nimsoft / UIM)

Issue/Introduction

On multi tier environment where Remote Hub connect to the Primary hub using a Proxy hub, as an example:
 

   PRIMARY HUB  à  PROXYHUB à  SECONDARY HUB
 

Remote hub is in RED color at AdminConsole or Infrastructure Management with message:
 

Hub is offline and unreachable 
 

 

 

Environment

UIM 8.51 SP1 
manintenance_mode 8.53HF3 
controller 7.93 hf5
hub version - 7.93 
 

Cause

sds files corrupted at Proxy server

Resolution

As first step please follow the next technical notes: 
    kb000010838 : Avoiding communication errors when configuring UIM components and improving tunnel stability for hub-to-hub tunnels 
    kb000072187: hub and tunnel connection settings in 7.x and 8.x   

If problem persist after following these articles please do the following at Proxy Hub:

• Stop Nimsoft Service at Proxy hub 
• Rename at proxy server files: 

    ..\Nimsoft\hub\hubs.sds
    ..\Nimsoft\hub\robot.sds

• Start Nimsoft Service at Proxy hub