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I have an MSI installer for my product which needs the MSOLEDBSQL driver to run. I am trying to include the driver installation as part of the main installer and not as a pre-requisite (which is how it was being handled till now).

Following is the code I have written to install the driver within my main installer's code :

public static void InstallSQLDriver()
        {

            Logger.LogInfo("Installing the MSOLEDBSQL Driver");
            ProcessStartInfo startInfo = new ProcessStartInfo("msiexec.exe", $"/i msoledbsql.msi /quiet IAcceptMSOLEDBSQLLicenseTerms=YES  /qn ACCEPTEULA=1 /norestart ALLUSERS=1");
            startInfo.Verb = "runas";
            startInfo.UseShellExecute = true;
            try
            {
                Process proc = Process.Start(startInfo);
                proc.WaitForExit();
                if (proc.ExitCode == 0)
                {
                    Logger.LogInfo("MSOLEDBSQL Driver Installation successful");
                }
                else
                {
                    Logger.LogInfo("MSOLEDBSQL Driver Installation failed. Process ended with code : " + proc.ExitCode);
                }
            }
            catch (Exception ex)
            {

                Logger.LogInfo("MSOLEDBSQL Driver Installation failed with error : " + ex.Message);
            }
        }

However, running this gets me an error with exit code 1618 in my log saying : Another installation is already in progress. Complete that installation before proceeding with this install.

I know that we can't run 2 MSIs concurrently, but are there any changes we can make to do what I am trying to do. Does anyone know how to avoid using a pre-requisite installation before I can start my main application's installer?

s_om
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1 Answers1

1

I think you can do it (add a Custom Action) between InstallValidate and InstallInitialize in InstallExecuteSequence or after InstallFinalize (also in InstallExecuteSequence)

ZAY
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