The table at the top of the layout shows all agent hosts that have been registered in the project, whether or not Migration Manager for Exchange agents are installed on those hosts. Select an agent host to view its agents in the list below. Multiple instances are supported for some agent types. In the agent list, additional instances of such agents are marked by a number in parentheses appended to the agent name—for example: Calendar Synchronization Agent (EXCHANGE01)(3).
You can select multiple hosts to list agents installed on all of them; the name of the agent’s host is shown in brackets for each agent in the list.
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NOTE:
- After you have enumerated an Exchange organization, all Exchange servers are registered as agent hosts for themselves by default.
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For an Exchange 2010 DAG, one of its CAS servers is automatically selected as the agent host. This is necessary because Exchange directs all mailbox database communication through the CAS server. By relying on the CAS role instead of the MBX role in the case of Exchange 2010, the agent prevents inefficient round-trip communication routes. |
The Remote Registry service must be started on the agent host before you start the installation of agents.
The recommended way to install and remove agents is to use the following tools in the Actions panel:
- Assign Role
- Revoke Role
- Add Agents for Role
- Repair Agents
The role of an agent host is what it does in the migration: synchronizes calendars, acts as the mail source or target, and so on. The choice of role or roles determines what specialized agents are used on the agent host. Using roles ensures that you do not forget to install required agents or leave behind unnecessary agents when you remove them.
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Caution: Migration Agent for Exchange performs native move, migration to Exchange Server 2013 or higher, Office 365 mailbox synchronization and Office 365 calendar synchronization operations. When multiple instances of Migration Agent for Exchange are installed on an agent host, the roles of the instances can differ, but the actual software is the same.
If you do the Repair Agents action for a role assigned to one or more Migration Agent for Exchange instances on an agent host, it will affect all instances of the agent on the agent host, including those instances that are assigned other roles. |
These tools run the Install/Uninstall Agents Wizard for your selection of agent hosts and roles.
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NOTE: You can speed up mail and calendar synchronization by installing multiple instances of the following agents on the same host:
- Mail Source Agent (for the mail source role)
- Mail Target Agent (for the mail target role)
- Calendar Synchronization Agent (calendar synchronization role)
- Migration Agent for Exchange
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Another way to install agents is to use the full Install/Uninstall Agents Wizard out of context, by clicking Tools | Install/Uninstall Agents in the main menu. This gives you the same role management and agent maintenance tools, and lets you register new agent hosts.
When one or more agent hosts are selected in the list, the Actions panel contains a collection of tools that apply to the hosts (such as refreshing the agent status) or all of their agents at once (such as starting or stopping the agents). The same tools are available from the shortcut menu for the selection of agent hosts.
When one or more agents are selected in the bottom list, the Actions panel contains a collection of tools that apply to these agents. The same tools are available from the shortcut menu for the selection of agents.
