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Asked: 2026-05-11T11:52:31+00:00

Is there an difference between this (nested Installer) ServiceInstaller si = new ServiceInstaller(); si.ServiceName

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Is there an difference between this (nested Installer)

ServiceInstaller si = new ServiceInstaller(); si.ServiceName = 'MyService';  ServiceProcessInstaller spi = new ServiceProcessInstaller(); spi.Account = ServiceAccount.LocalSystem;  spi.Installers.Add(si);  this.Installers.Add(spi);

and this? (TransactedInstaller)

TransactedInstaller ti = new TransactedInstaller();  ServiceInstaller si = new ServiceInstaller(); si.ServiceName = 'MyService'; ti.Installers.Add(si);  ServiceProcessInstaller spi = new ServiceProcessInstaller(); spi.Account = ServiceAccount.LocalSystem; ti.Installers.Add(spi);  this.Installers.Add(ti);

Are nested Installer by default transacted? Which style should be prefered?

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1 Answer

  1. TransactedInstaller will call Commit/Rollback automaticly if the custom action has succeeded/failed.

    With nested installer you will need to sequence the Rollback/Commit your self in a case of an error, they will not be called if you didn’t explicitly tell them to run.

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