Event ID - 2006

Event Id2006
SourceMSExchangeTransport
DescriptionSend connector %1: the connection to %2 was disconnected by the remote server
Event InformationAccording to Mcrosoft :
Cause :
This Warning event indicates that the specified Send connector was disconnected from the specified remote server. The disconnection was initiated by the remote server.
The disconnected session could be caused by a remote server problem or because an inbound connection limit has been reached on the remote server.
If the remote server has the Microsoft Exchange Server 2007 Hub Transport server role or Edge Transport server role installed, the disconnection could be caused when any of the following inbound connection limits are reached on the remote Receive connector:
1.ConnectionTimeOut
2.ConnectionInactivityTimeOut
3.MaxInboundConnection
4.MaxInboundConnectionPercentagePerSource
5.MaxInboundConnectionPerSource
6.MaxProtocolErrors
Resolution :
1.Verify the availability of the remote server. For example, use the Ping or PathPing command-line tools to test basic connectivity. Use Ping to isolate network hardware problems and incompatible configurations. Use PathPing to detect packet loss over multiple-hop trips.
2.Adjust the inbound connection limits on the remote server.
Reference LinksEvent ID 2006 from Source MSExchangeTransport

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