Core GUI inaccessible following an upgrade from AppAssure 5 to Rapid Recovery (4039572)

Following a successful upgrade from AppAssure 5.x to Rapid Recovery the Core GUI is inaccessible. An error as below is displayed:

"Error occurred during request execution"

Powershell queries such as Get-activejobs -all or Get-Completedjobs will confirm the core is running and functional

This is identified as a defect - D-32488 

AppAssure cores configured with custom agent labels and groups will encounter the issue

Windows Registry Disclaimer:

Dell Software does not provide support for problems that arise from improper modification of the registry. The Windows registry contains information critical to your computer and applications. Make sure you back up the registry before modifying it. For more information on the Windows Registry Editor and how to back up and restore it, refer to Microsoft Article ID 256986 “Description of the Microsoft Windows registry” at Microsoft Support.

Workaround 1:

1. Download script from Rapid Recovery GUI fix  and ensure the file is unblocked
2. Run powershell as Administrator and switch to the directory where the script is located
3. Run Set-ExecutionPolicy Unrestricted in PowerShell to allow running the script 
4. Execute the powershell script: .\MigrateAgentGroups.ps1 
5. Restart the core service 

1. Note:  Agent groups will be lost after these steps.
2. Navigate to registry HKLM\SOFTWARE\AppRecovery\Core\AgentsGroups\Groups
3. Export this registry branch
4. Delete regkey [Labeled Group ID] 
5. Restart the Core service

Status:

This issue is resolved in Rapid Recovery 6.0.2.