Troubleshooting: Error E041 - Unable to Locate Server

If you see an E041 error message when trying to open YAPI, this means that your workstation isn't able to communicate with YAPI on your server.  To troubleshoot, follow the steps below.

Note: Several of these steps below may require the help of your IT professional.

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Table of Contents

 

Step 1: Restarting YAPI on Your Workstation

To start, try closing the YAPI Dashboard on an affected workstation and opening it up again.  If you still see the E041 error, continue on to Step 2: Checking Your Network Connection below.

 

Step 2: Checking Your Network Connection

  1. From your Windows Start Menu, open the Control Panel.

  2. Select Network & Internet, then Network and Sharing Center. 

  3. Under your active network, see if the network is listed as a Public, Private, Work, or Home network.

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    • If your network is listed as PUBLIC: Ask your IT professional to reconfigure your network as private.  For patient security, YAPI can only be used on a private network.

    • If your network is listed as PRIVATE, WORK, or HOME: Close the window and proceed to Step 3: Further Troubleshooting below.

 

Step 3: Further Troubleshooting

If the Error Is Occuring on ALL Workstations

Ask your IT professional to open the following ports in your server's firewall so that YAPI can communicate between your workstations and your server:

Firewall Exceptions
TCP Inbound Ports 80, 443, 587, 18000-18009, 18800, 18802
TCP Outbound Ports 80, 443, 587, 18000-18009, 18800, 18802
UDP Inbound Ports 3520, 18002, 19000, 19001
UDP Outbound Ports 3520, 18002, 19000, 19001

For more detailed information about which firewall ports YAPI needs to use and why, see YAPI Incoming/Outgoing Firewall Port Requirements.

 

If the Error Is Occuring on ONE or A FEW Workstations

Contact our Customer Support team at (949) 535-1059 and let them know you're seeing an Error 41 message on a single workstation.  

 

 

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