XCON: Managing Connections in Exchange 2000 Server and Link State Definitions (264273)



The information in this article applies to:

  • Microsoft Exchange 2000 Server

This article was previously published under Q264273

SUMMARY

This article provides information about managing connections in Exchange 2000 Server and provides basic definitions of possible link states.

MORE INFORMATION

An active connection is needed to allow messages to be transported out of a link queue.

There are only two global actions that you can perform on all the queues in a given SMTP virtual server, a Message Transfer Agent (MTA), or connector: Disable All Connections or Enable All Connections. These actions are performed at the main Queues node. Depending on the protocol (SMTP, X.400, or MAPI) these commands may not affect system queues.

In individual link queues, the following commands are used to manage connections:
  • Enable Connection
  • Disable Connection
  • Force Connection
If a link between a queue and the next-destination server is not connected, its Connection State will be Disabled. If a link between a queue and the next-destination server is connected, the Connection State is Enabled, and can be any of the following: Active, Ready, Remote, Frozen, Retry, or Scheduled. These states are defined in the table below.

Force Connection allows administrators to create an Active link connection. If the server determines the connection to be remote, the state is changed to Remote (the server makes this change).

Note: Although Remote, Retry, and Scheduled are valid connection states, the administrator is not able to enforce them because they are determined by Exchange.

The following definitions are basic definitions of possible Link States in Exchange 2000 Server:

Active
Link queue has an active connection.

Ready
Link queue is ready to have a connection allocated to it.

Retry
A connection attempt has failed, and the server is waiting for retry.

Scheduled
Waiting for a scheduled connection attempt.

Remote
Waiting for a remote dequeue command (TURN/ETRN).

Frozen
No messages will leave the link queue. Messages may still be inserted if the Exchange routing categorizer is still running.


Modification Type:MinorLast Reviewed:4/25/2005
Keywords:kbinfo KB264273