Both. The query is sent out by the send adapter. The actual querying is done by components of the receive adapter. Therefore, to be licensed to create Solicit-Response send ports, you need to be licensed for both the ActiveADAPTER send and receive adapters.
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To uninstall your evaluation version and replace it with your licensed version follow this procedure:
1. Stop any BizTalk applications and host instances that use ActiveADAPTER
2. Close any instances of the BizTalk Admin Console
3. Uninstall ActiveADAPTER through Control Panel
4. Check that the %ProgramFiles%\ActiveADAPTER folder has been completely removed
5. Install your licensed software
In most cases this shouldn't affect any receive location or send port settings you have created, but check your BizTalk applications after restarting them.
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After installing ActiveADAPTER you will see a new transport type option when configuring a send port or receive location. With BizTalk send ports, you can create, delete, rename, move, and modify Active Directory objects. With BizTalk receive locations, you can draw XML messages into BizTalk containing Active Directory query results.

On your Programs menu you will also have an ActiveADAPTER program group containing shortcuts to documentation, sample orchestrations and schemas to get you developing your solutions quickly.
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