KB80743309: Nexus - Nexus Manager cannot connect

Summary

It seems impossible to connect to the server using the Nexus Manager.

Symptoms

Connecting the applications seems to freeze. After about five minutes, it is responding again but no connection is made. No warning messages are found in the manager.
The Nexus portserverlog shows the following messages:

17:02:49 Remote Server Connection to: "NexusManager" on 192.209.0.238

17:02:49 !! Delivery error - From:"Control" To:"NexusManager" Size:576

17:02:50 Enabling compression to remote server: 192.209.0.238

17:02:50 !! Delivery error - From:"Control" To:"NexusManager" Size:576

17:03:50 Client disconnecting...

17:03:50 Disconnected from client on 192.209.0.238

17:12:30 Remote Server Connection to: "NexusManager" on 192.209.0.238

17:12:30 !! Delivery error - From:"Control" To:"NexusManager" Size:576

17:12:31 Enabling compression to remote server: 192.209.0.238

17:12:31 !! Delivery error - From:"Control" To:"NexusManager" Size:576

17:13:31 Client disconnecting...

17:13:31 Disconnected from client on 192.209.0.238

17:13:39 Remote Server Connection to: "NexusManager" on 192.209.0.238

17:13:39 !! Delivery error - From:"Control" To:"NexusManager" Size:576

17:13:40 Enabling compression to remote server: 192.209.0.238

17:13:40 !! Delivery error - From:"Control" To:"NexusManager" Size:576

17:14:40 Client disconnecting...

17:14:40 Disconnected from client on 192.209.0.238

The Nexus portserverlog can be found in the installation folder of Nexus: Root > module logs > portserver.log

It could be that only one computer cannot connect to the server.

Solution

Check if there are two network cards enabled on the server or on the client side. To check,

On the Windows Server side:

Open the CMD prompt window.
Type ipconfig to detect multiple cards. If there are two cards then remove the second network connection.

On the Mac OS Server side or the Client side:

Go to System Preferences > Network.
Check the network configuration.
Check if a second network card is enabled.

Article information
Applies to	Nexus all versions
Created	29-Jan-13
Last revised
Author	LEFR
CW Number	207913

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