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Routing Group Connector disappearing, then reappearing

Hello all,

I have a situation I need assistance with.  I have 4 Exchange 2003 servers, in 3 different locations, on 2 seperate continents.  To connections overseas become a concern, possibly.  I have three different administrative groups, and in these I have routing groups.  All messages come to the corporate office, and are distributed.  The main office has 3 routing group connectors, one for between servers, and one each to the remote locations.  However the international routing group connector is coming and going from both queues on our corporate mail servers.  I have never seen this before.  Has anyone experienced this, and if so how did you resolve this?  Any and all advice will be considered.  Thank you for your time and assistance.
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bgroom1969
Asked:
bgroom1969
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1 Solution
 
Stacy SpearCommented:
If the connector is "coming and going" then I suspect the problem is DC replication. If the DCs are not in sync, then this could be issue. Check the replication or force it from the primary down to all the remote sites.
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bgroom1969Author Commented:
I have tried to replicate DCs, we will see how long it takes for that to return a successful or unsuccessful result.  Thank you for the suggestion, we will see if that solves the issue.
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Stacy SpearCommented:
While waiting for that, look at the logs on the DCs to see if any errors are occuring.
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bgroom1969Author Commented:
Darkstar3d,

There are no errors in the log files that have anything to do with mail delivery.  I see no scheduled tasks that would run during that time.  Our Veritas backup is complete when these issues arise.  We run McAfee antivirus, and it is not scheduled to run anything during that time.  Can a Barracuda block message income during a 3 hour time frame?  I see nothing in the way of logs on the Barracuda.
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Stacy SpearCommented:
Barracuda won't stop replication traffic. Logs are on the DC, it will be in relation to site replication, etc. Are you using Veritas replication products as well? They can cause problems at times, but nothing else posted is relevant I think.
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bgroom1969Author Commented:
We are seeing now that the rate control on our Barracuda is blocking messages during the outage times.  This seems to be an issue, and we are delving deeper into it.
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bgroom1969Author Commented:
It appears now that Barracuda was running a buggy firmware load.  We upgraded the firmware on our Cuda last evening, and it appears to be flowing traffic much better.  Darkstar, I appreciate your assistance, and will award points for your assistance.
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