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Error: "Connection to the license server failed" When I Start Multisim or Ultiboard

Primary Software: Electronics Workbench>>Multisim
Primary Software Version: 9.x
Primary Software Fixed Version: 9.x
Secondary Software: Electronics Workbench>>Ultiboard

Problem:

When I try to launch Multisim or Ultiboard I get a message saying:

Connection to the license server failed.

I have my installation setup as a Network-type installation.

Solution:

Make sure that the server address and port number on the client Network License Server (NLS) dialog have been set correctly.

If you have entered a machine name as the server address, try using the numeric IP address instead. In some networks, this IP address may change dynamically. Please contact your network administrator for assistance if this occurs frequently.

If either the server machine or client machine has a firewall installed (including the Windows® XP Service Pack 2 internal firewall), make sure that either:

1. The required port is allowed to be open (in TCP protocol).
2. The server program (EWBNLSS) or client application is granted an exception.

Please see your firewall's documentation for more information.

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Report Date: 11/22/2006
Last Updated: 04/25/2008
Document ID: 43LCJ6XL

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