"Failed to update system registry, please try using regedit." - Error message is displayed when opening Discoverer report (tool) from workstation or VPN connection

SYMPTOMS

The following error message is shown when the user is trying to open Discoverer report (tool) from workstation or VPN connection - "Failed to update system registry, please try using regedit."

CAUSE

One of the probable causes for the above message to be displayed is that some privileges have not been assigned for the BI tool in the system registry.

RESOLUTION

There are two possible solutions to the issue:

1. Add the user to Power Users or Administrator group.
2. Grant full control privilege of the following registry keys to the Users' group:
   1. HKEY_LOCAL_MACHINE\Software\Oracle
   2. HKEY_LOCAL_MACHINE\Software\Classes
   3. HKEY_LOCAL_MACHINE\Software\Classes\.DIS 
   4. HKEY_LOCAL_MACHINE\Software\Classes\Dis.Document 
   5. HKEY_LOCAL_MACHINE\Software\Classes\Discoverer.Application
   6. HKEY_LOCAL_MACHINE\Software\Classes\DIS 
   7. HKEY_LOCAL_MACHINE\Software\Classes\CLSID
   8. HKEY_LOCAL_MACHINE\Software\Classes\CLSID{470A152C-5FC1-11D1-A434-0000F8AE4944}
   9. HKEY_LOCAL_MACHINE\Software\Classes\CLSID{AD7CE4E0-C391-11CE-9C10-08002BE52B53
3. Re-open the Discoverer tool.

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