Hi,

pulling my hair out with this. 

CMS 9.11.0.0

4 server environment

For the Remote Event configuration we need to use TCP as opposed to UDP.

I have 2 servers that can 'update' 3 other servers, and I have 2 servers that can only update one other server.

As far as I can see all the servers are confgured identically

If I publish on one of the servers (App1) I am getting the following exception in the log from the App2 server:

The requested upgrade is not supported by 'net.tcp://x.x.46.x:13000/RemoteEventService'This could be due to mismatched bindings (for example security enabled on the client and not on the server).

and the Web 2 server:

The requested upgrade is not supported by 'net.tcp://x.x.45.x:13000/RemoteEventService'This could be due to mismatched bindings (for example security enabled on the client and not on the server).

However the Web1 server updates as it should.

If I carry out a publish on App2 - All the other servers App1, Web1 and Web2 all update. This is the same for Web2.

There are currently no internal firewalls enabled on my platform.

Any ideas gratefully appreciated. Google has been of no use.

Config section shown below is identical on every server (other than the IP addresses are swapped around). 

name="RemoteEventServiceEndpoint"
address="net.tcp://x.y.40.z:13000/RemoteEventService"
contract="EPiServer.Events.ServiceModel.IEventReplication"
bindingConfiguration="RemoteEventsBinding"
binding="netTcpBinding" />




address="net.tcp://x.y.41.z:13000/RemoteEventService"
bindingConfiguration="RemoteEventsBinding"
contract="EPiServer.Events.ServiceModel.IEventReplication"
binding="netTcpBinding" />

address="net.tcp://x.y.45.z:13000/RemoteEventService"
contract="EPiServer.Events.ServiceModel.IEventReplication"
binding="netTcpBinding" />

address="net.tcp://x.y.46.z:13000/RemoteEventService"
contract="EPiServer.Events.ServiceModel.IEventReplication"
binding="netTcpBinding" />