Knowledge Base Article
Article Type: Troubleshooting
Product: Symphony
Product Version:
Component: Symphony Server
Device Brands:
Created: 18-Jul-2016 5:12:19 PM
Last Updated:

Installing Symphony 7 server may cause other web applications on the same server to stop working.


After installing Symphony 7 server on a computer, users of pre-existing applications on that computer will receive an access denied message when attempting to access ports 80 or 443.  A typical example is a web application on the server that uses ports 80 or 443 and returns an Error 503 message when accessed.  The reason is the Symphony 7 server will reconfigure the access control lists on the server machine so that only the local system user account, and applications running as that user, can access ports 80 and 443. Web servers such as IIS may have existing applications or application pools which run using other built-in or domain accounts and will fail as a result.


Option One (Recommended): Install Symphony 7 Server on a Dedicated Machine

This is the safest solution and removes possible incompatibilities with third-party applications.

Option Two: Change Web Application Port

If possible, consider changing the port used by your other applications and any related services to something other than port 443.  Port 80 will always be used by Symphony 7 and cannot be used by other applications.

Option Three: Change the Symphony 7 Port

Port 80 is always used by Symphony 7.  Port 443 (used for secure communication) may be changed to another number to allow your applications to continue to use that port.  To change the Symphony port, perform the following tasks:

  1. In the Symphony Client, click the Server Configuration icon > Manual Configuration Editor.
  2. Click Add a new setting.
  3. Enter the following:
    Type = Server
    Section = InfoService
    ID = [Type the server ID]
    Key = ConfigurationPort
    Value = [Type the port number]
    Action = [Leave blank] 
  4. Click OK.
  5. Exit the Symphony Client.
  6. Run the Symphony Setup Wizard.

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