EcoStruxure Power Operation WebHMI Issues on Windows Server 2022/Windows 11

Issue

The WebHMI for EcoStruxure Power Operation will only work in Firefox (only after acknowledging several security warnings). When using Google Chrome or Microsoft Edge it will bring up an error similar to the following:

“https://”servername”/Web/Auth?ReturnUrl=/Web might be temporarily out of order or has been transferred to a new web site.  ERR_SSL_KEY_USAGE_INCOMPATIBLE“

Product Line

EcoStruxure Power Operation

Resolution

TLS 1.3 is enabled by default in Windows 11 Professional/Enterprise and Windows Server 2022 Standard operating systems. TLS 1.3 should be disabled for EcoStruxure Power Operation web applications to work on Google Chrome and Microsoft Edge.

You can follow the below steps in to disable TLS 1.3:

1. Open Internet Information Services (IIS) Manager on the PME server.
2. In the Connections pane (left pane) expand server name > Sites > Default Web Site. Right-click Default Web Site and select Edit Bindings... from the context menu.
3. In the Site Bindings dialog, select https.
4. Click Edit… to edit the binding
5. In the Edit Site Binding dialog, select Disable TLS 1.3 over TCP.
6. Click OK to close the Edit Site Binding dialog.
7. Click Close to close the Site Bindings dialog.
8. Close IIS Manager.
9. Restart IIS.

Released for: Schneider Electric Australia