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Registering Transactional Components

IIS 6.0

To participate in a transaction, a component must be registered in a COM+ application and must be configured to require a transaction. For example, if your script processes orders by calling a component that updates an inventory database and a component that updates a payment database, you would want both components to run under a transaction context. Component Services ensures that if either component fails, the entire order is rolled back and neither database is updated. Some components do not require transactions; for example, the Ad Rotator component has no need of transactions.

You use Component Services Manager to register and configure a transactional component. Components must be registered in an COM+ application. Do not put your components in the IIS in-process COM+ application; instead, create your own COM+ application. Generally, you should put all your components in one Library application. Components in Library applications can be used by multiple ASP applications and are run in the ASP application process.

You can also register transactional components in a Server application, a COM+ application that always runs in a separate process on the server. You use Server applications for your transactional components if you want to use role-based security or if you want your components to be accessible from applications on remote computers.

You must have Component Services installed to use Component Services Manager.

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