ID Management is a service that provides IDs to clients such as Extra! sessions. It manages various shared resources so they can be allocated and reused once returned.
An ID is connection data that is unique for an individual session with a host. If you use ID Management to manage IDs, you can omit unique connection data from the session configuration. This lets you create a single configuration that can be used by multiple users to establish multiple sessions with a host, rather than having to create a separate configuration for each host connection.
When a user starts a session, the session gets an ID from the ID Manager and uses the ID to connect to the host. The ID Manager keeps track of (monitors) the IDs that are in use. If all the IDs assigned to a pool are in use, no other host sessions can be opened through that pool.
If you use ID Management and don’t select Allow Device in Use Failures, and the device name obtained from the ID Manager is in use on that host, the system will try to use another ID from the ID Manager if one is available. If the Allow Device in Use Failures check box is selected, and the device is in use, the status is displayed on the status line and no further attempt will be made to create a unique ID. You will have to disconnect/reconnect to try again.
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