Welcome to our new portal experience - if you need any assistance or have questions, please click here.

D42AutoDisc Client: Windows or Hyper V auto-discovery error messages

Modified on: Tue, 31 Mar, 2026 at 4:08 PM

D42AutoDisc client common error messages and resolutions are discussed below.

Also, the executable should be run as an administrator.

Exception Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))

?name=windows_auto_discovery_service.png

If you see following message:

Exception = Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))  

Please make sure the service is running under a domain account and not local system account.

Exception The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)

Cannot post device detail to D42. Check URL/Credentials or License.

For message: Cannot post device detail to D42. Check URL/Credentials or License.
Please check you can connect to device42 instance from the browser. Otherwise, see if your license count has exceeded the number of licensed devices.