There is already a listener on IP endpoint in BizTalk

Johannes Rest
Technicher Artikel

Recently we had an issue with some BizTalk receive location (WCF-Custom). They all went down with a specific error message: The Messaging Engine failed to add a receive location “abcdefg” with URL “net.tcp://localhost:55555/xxxx/yyyy” to the adapter “WCF-NetTcp”. Reason: “System.ServiceModel.AddressAlreadyInUseException: There is already a listener on IP endpoint 0.0.0.0:55555. This could happen if there is another application already listening on this endpoint or if you have multiple service endpoints in your service host with the same

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