Sage 100 2019 unable to connect to server.

Sage 100 2019 unable to connect to server

This error can occur due to the following reasons: Incorrect IP Address, Server Name, or Port. Issue in the Network DNS. Firewall Security.

Error: “Unable to connect to server: <server name>. The server cannot be found” when starting Sage 100 Advanced or Premium

Sage-100-2019-unable-to-connect-to-server (1)

Causes of Sage 100 2019 unable to connect to server:

  • Incorrect Server Name, IP Address, or Port
  • Firewall Security
  • “Session.pvk” is corrupted (does not apply to Sage 100 ERP Standard edition)
  • Network DNS issues

Steps to resolve Sage 100 2019 unable to connect to server error:

Please recheck if the correct IP address or server name was entered during workstation setup:

  • Browse to the “..\MAS90\Launcher” folder on the workstation.
  • Open the Sota.ini file.
  • Locate the [Servers] section. The IP address or server name is listed after the following text: “1=”
  • If the IP address or server name is incorrect, Enter the correct Server Name or IP address or uninstall and then reinstall Workstation Setup
  • Verify the port is open
  • Verify the IP address or server name and port were entered correctly in the icon properties

Related Article: Sage-100-erp-error-65

If Port, Server Name, or IP Address were confirmed accurate within side the above steps, this message can arise if an Inbound Rule and Outbound Rule has now no longer been created for the Sage 100 (previously Sage 100 ERP) port at the Windows 2008 or 2012 Server, below Windows Firewall Advanced Security.

  • Open Administrative Tools, Windows Firewall with Advanced Security console In the left pane of the console, pick Inbound Rules
  • Right-click on pick New Rule
  • Select Port click on Next
  • Select Specific Local ports and input the port quantity for Sage a hundred and click on Next.
  • Select Allow Connection click on Next
  • Select Domain, Private, Public and click on Next
  • Name the brand new rule a call of your choice. Add an outline figuring out the guideline of thumb is used for Sage 100 and click on Finish Create an Outbound Rule following steps above.


By following the referred to steps, you’ll be capable of clear up the doubts about Sage 100 2019 unable to connect to server. However, if the mistake still persists, then you can begin a Sage Live chat with our Sage online expert team who’re available 24*7 on your guide.

Also Read: How to fix Sage 50 error code 1603?

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