Connectors are
reported as STATE UP or STATE DOWN. Minor changes are delayed by 10 minutes to prevent
oscillating connectors.
User version number: These are changes such as services starting or stopped. Also, they
occur when the routing group master changes or when another server is added to the
routing group.
The major changes have the highest priority, the minor changes are next, and the user version changes
are last.
It may be necessary with the introduction of Exchange Server 2007 to suppress minor state changes.
Without minor state changes, Exchange 2003 doesn ??™ t mark connectors as down. This ensures Exchange
2003 always uses least cost routing, and doesn ??™ t try to calculate an alternative route. It is recommended
to suppress link state if:
The organization has more than one Exchange 2003 routing group
There will be more than one Routing Group Connector between Exchange 2003 and Exchange
Server 2007
The minor link state must be suppressed on every Exchange 2003 server in the organization. The process
for suppressing minor link state is:
1. Launch the Registry Editor.
2. Open HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\RESvc\Parameters .
3. Right - click Parameters and select New DWORD value. Set the name to
SuppressStateChanges .
4. In the value field enter 1 .
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