Troubleshooting Steps for Web-based Clients


Issue	Workaround
If you have logged in to Operations Hub, and then if you try to access Web-based Clients, and vice versa, an error occurs. This is because the user credentials of the first application to which you have logged in are used to log in to the other one as well.	Try one of the following options: Add the scopes of each application user to the other application. If you log in to Web-based Clients first, on the login page of Operations Hub, re-log in with the Operations Hub user. If you log in to Operations Hub first, log out of Operations Hub, log in to Web-based Clients, and then log in to Operations Hub, using the credentials of the respective users for each application.
Even after installing Web-based Clients, you cannot access Configuration Hub.	Start the GE Operations Hub Httpd Reverse Proxy and the Data Archiver services.
When you upgrade to Historian 9.1, after installing Web-based Clients, a message asking you to restart the machine does not appear. Because of this, sometimes, you cannot access Web-based Components such as Configuration Hub, Trend Client, the Web Admin console, and REST APIs.	Restart the machine, or start the following services: GE Historian PostgreSQL Database GE Historian Tomcat Server GE Operations Hub Httpd Reverse Proxy GE Operations Hub UAA PostgreSQL Database GE Operations Hub UAA Tomcat Web Server GE UAA External IdP Configuration Service GE Security App Service
The WhereTo page is displayed when you logout and login to the Web Admin console without closing tab or browser.	Logout and close the tab or browser and reopen it.
Internet Explorer is not supported for the latest Web-based Clients. There may be some formatting issues in the text.	Use Google Chrome for better viewing experience.
This Site Can???t be reached issue is encountered.	User should start the GE Operations Hub Httpd Reverse Proxy Service
Unable to login due to some certificate issues.	Follow the steps provided under Connecting to External UAA section.
After logging in to Web-based Clients, the Web-based Clients are not connected successfully to the Historian server.	Ensure that the Enforce Strict Client Authentication and Enforce Strict Collector Authentication options are disabled in the Data Stores Security section in Historian Administrator. Make sure you have given a valid UAA URL while installing the Historian Server.
Clients or users are not created because the required services were not running during the installation of Web-based Clients. An error message appears when you access Web-based Clients or Trend Client. The visualization client is not found. The following error message appears: No client with requested id: historian_visualization When you attempt to log in to Historian UAA, a message appears, stating that the credentials are incorrect.	Use the Web based configuration tool to point to a different Configuration Hub and UAA instance. By default, this tool is located in the following folder: C:\Program Files\GE Digital\Historian Config
If you install iFIX on a machine that has Historian Web-based Clients, the reverse proxy service stops working.	Restart the reverse proxy service - GE Operations Hub Httpd Reverse Proxy.