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Resolving "Application Server Does Not Exist" Error in Everest Application

Overview

The Everest application crashes on startup with the error message "Application Server does not exist." This issue typically occurs after promoting the Everest server to a domain controller or following a system password change. It is resolved by updating DCOM/COM+ settings and the identity used by the Everest COM+ applications.

Information

Error Message: "Application Server does not exist"

Cause: This error occurs when there are incorrect DCOM/COM+ settings or identity configurations, often after server promotion or password changes.

Resolution Steps:

  1. Open Component Services:
    • Press Windows+R, type dcomcnfg, and press Enter.
  2. Configure Default Properties:
    • Navigate to Component Services > Computers.
    • Right-click My Computer > Properties.
    • Under the Default Properties tab:
      • Ensure "Enable Distributed COM on this computer" is checked.
      • Set Default Authentication Level to "None".
      • Set Default Impersonation Level to "Identify".
  3. Configure MSDTC:
    • Go to the MSDTC tab.
    • Click Security Configuration under Transaction Configuration.
    • Check all options and set Authentication Level to "No Authentication Required".
  4. Set COM Security:
    • Under the COM Security tab, in Access Permissions, click Edit Default.
    • Add: Everyone, Administrator, NETWORK, ANONYMOUS LOGON.
    • Repeat the same additions under Launch and Activation Permissions.
  5. Set COM+ Application Identities:
    • Expand My Computer > COM+ Applications.
    • Right-click EVEREST > Properties > Identity tab.
    • Select a local administrator account (e.g., .\Administrator), then enter and confirm the administrator password.
    • Repeat the same for EVEREST REPORTS.
  6. Test the Application:
    • Launch the Everest client again to ensure it starts without the error.

Optional Confirmation:

  • Check the server log at C:\ProgramData\Everest\Temp\sverr.log for entries like "DCOM received error '1326' Unable to logon to \EverestCOM…" to confirm the issue.

Note: If the error message differs, provide the exact wording for targeted troubleshooting.

Frequently Asked Questions

How do I know if this error applies to my situation?
You'll see the error message "Application Server does not exist" when attempting to launch the Everest application.
What if the error persists after following the steps?
Ensure all DCOM/COM+ settings are correctly configured and the correct identity is set for the COM+ applications. If issues persist, check the server log for specific error codes and contact support with details.
Can this issue affect multiple users?
This issue is typically user-specific, but incorrect DCOM/COM+ settings can potentially affect multiple users if not configured properly.
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  1. Priyanka Bhotika

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