Solution for The Error: The system is not accessible | Dynamics NAV | Business Central

Here is the guide on how to sort out the error: “The system is not accessible“. This issue can happen with schema pending synchronization of the Dynamics NAV or Business Central database. Let’s see the simple steps to sort out the issue.

Check the status of the database to confirm of sync pending

  1. Run Dynamics NAV / Business Central Administration Shell as an Administrator.
  2. Execute the following command to check the status:
    Get-NAVTenant -ServerInstance <server instance>
    Follow the below example:
    Get-NAVTenant -ServerInstance BC130
Check sync status to resolve the error the system is not accessible of Microsoft Dynamics NAV Business Central when run the client RTC or web

How to sort out the issue: The system is not accessible

  1. Execute the following command on Administration Shell to synchronize schema:
    Sync-NAVTenant -ServerInstance <server instance> -Mode <sync mode>
    Follow the below example:
    Sync-NAVTenant -ServerInstance BC130 -Mode ForceSync
  2. Run the client and check.

In addition: You can run the above commands by Windows PowerShell

  1. Run the Windows PowerShell as an Administrator.
  2. Import the module NavAdminTool.PS1.
    This can be found in the service folder of the related version. You can execute the following command with an example to import the module:
    Import-Module "C:\Program Files\Microsoft Dynamics 365 Business Central\190\Service\NavAdminTool.ps1"
    If there is an error with the execution policy, execute the below command and import again:
    Set-ExecutionPolicy RemoteSigned -Scope CurrentUser
  3. Now you can execute the commands as previously mentioned.

Visit the previous guide about how to upload a license to Dynamics 365 Business Central On-Premise.

Senior Solutions Architect - Microsoft Dynamics Navision / Microsoft Dynamics 365 Business Central and freelance developer. (The admin of NAVUSER)

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