Utility to test if a TCP port is open on a client, over a network or VPN, and on the remote host machine (e.g. mart server, license administrator, web portal machine).
NO DOS COMMANDS REQUIRED.
Purpose: Company firewalls and antivirus software can prevent the ERwin modeling suite products from functioning because a port that it needs open may have been blocked or disabled over the network or VPN and/or on the remote host machine. Run this easy Windows based utility from the client machine where you run ERwin DM or the Web Portal browser to check the network to the host machine and the host machine itself.
It may also be used to check whether a port is open on the local client machine where the utility is run.
Figure 1. Two-tier and Three-tier architecture.
The utility requires that you know the name or ip address of the machine you are trying to reach.
NOTE: for an easy utility that checks whether a port is open on your local machine that does not require you to know the name of your machine or machine ip address, please see Easy utility to Test if a LOCAL TCP port is open
Operating System: runs on Microsoft Windows.
- If the port is open, True is returned.
- If the port is not open on the host machine or network or VPN, False is returned.
- If the port is non-existent, False is returned.
- If the host machine is non-existent, powered down, or the wrong machine name is typed, False is returned.
- Download CheckRemotePortOpen.zip (289 kb) and unzip it. Then follow the steps below:



- If the port is not open on the host machine or network or VPN, False is returned.
- If the port is non-existent, False is returned.
- If the host machine is non-existent, powered down, or the wrong machine name is typed, False is returned.
USAGE:
- All three points (client, network, and host machine) must have the port open in order for the CA ERwin DM products to work with their clients.
- If you want to check if the port is open on the network and the host machine, run the utility from the client machine where you run ERwin DM or the Web Portal browser. Give it the remote host machine name.
- If you want to check if the port is open on the client machine, run the utility from the machine where you run ERwin DM or the Web Portal browser. Give it the client machine name.
Application Name |
Ports needed to be open |
Mart Server Host Machine |
|
CA ERwin DM Workgroup edition machine and your company network and VPN |
|
CA ERwin License Administrator |
|
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