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Shadow Redundancy Queue Exchange 2010

Posted on 2011-10-03
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I have over 400 messages in my shadow queue on my netx hop domain server:
xy-hq-ht01.

How come there are so many in there?  A few days ago there were 840 and I see they are going down.

I know it has to wait for confirmation from next hop then deliver.
Any ideas?
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Question by:techgenious
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It is a new feature in Exchange 2010.

If the next hop is exchange 2010 then it maintains a queue to the next exchange 2010 server. Once it sends a message to next hop it will hold the message in this queue. If the next hops confirms the message was received it will remove it from its queue.

You can refer to

http://technet.microsoft.com/en-us/library/dd351027.aspx

http://blogs.technet.com/b/jribeiro/archive/2009/09/28/understanding-exchange-2010-shadow-redundancy.aspx

http://www.howexchangeworks.com/2009/11/shadow-redundancy-in-exchange-2010.html
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