This topic describes the prerequisites before you start using the adapter.
InformationImportant
Microsoft Exchange is a native 64-bit application. Because the Microsoft Exchange adapter is based on the PowerShell adapter (rctrlx.exe), it has to be enabled on a peer that is on a different computer than the Microsoft Exchange server application.
There are two possible ways to connect to Microsoft Exchange Server using the adapter. You can either directly connect to the Exchange server or use the Microsoft Exchange management tools. The Microsoft Exchange Server management tools can be installed on a 32-bit computer and the adapter can be used to connect to the server.
The following table shows how the setup could be for both the scenarios:
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- Windows computer 1, 64-bit, BMC Atrium Orchestrator peer
installed with Microsoft Exchange adapter enabled on it. The adapter configuration should have target information for Windows computer 2, below. - Windows computer 2, 64-bit, Microsoft Exchange Server
application installed on it.

| - Windows computer 1, BMC Atrium Orchestrator peer installed
with Microsoft Exchange adapter enabled on it. The adapter configuration should have target information for Windows computer 2, below. - Windows computer 2, 32-bit Exchange Management tools (32-bit)
installed to remotely administer the Microsoft Exchange Server on a computer 3, below. - Windows computer 3, 64-bit Microsoft Exchange Server installed on it.

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WarningNote
To use the adapter as shown in Case 2, the target-os-bit-version adapter configuration parameter must be set to 32 because you connect to Exchange Management tools for commands execution. By default, the adapter works as shown in Case 1 and, if the parameter target-os-bit-version parameter is not specified, then it is assumed as 64.