Re-enter the Server IP Address/Name, the starting screen, and user credentials. Save this as a new .pcc file on your desktop. Issue C: "User Has No Authorization"
use your WinCC installation media or SIOS updates.
To help troubleshoot your specific WinCC setup, let me know: wincc viewer rt download fix
Below is a troubleshooting guide to help you fix these common download and connectivity issues for WinCC Runtime Professional and Unified. 1. Fix SIMATIC Shell Configuration
A failure in mid-download typically corrupts the target’s runtime cache, leaving you with a non-functional HMI. Re-enter the Server IP Address/Name, the starting screen,
On the WebNavigator server, locate the installer ( .../WinCC/WebNavigator/Server/WebInstaller ). Copy this installer to the client machine and run it manually. 5. Check Microsoft Edge / Windows Update Conflicts
Create a desktop shortcut pointing to: "C:\Path\To\WinCCViewerRT.exe" "C:\Path\To\YourConfig.dfn" 4. Troubleshooting Matrix Direct Cause Incorrect IP or closed ports Ping the server; open ports 5800/5900. "Cannot read configuration" Corrupt .dfn file Delete file and recreate via Configuration tool. White/Blank Screen Resolution mismatch or missing IIS Match .dfn resolution to server project scale. Disconnects after 10 minutes License timeout or energy saving Verify WebNavigator client licensing on server. To help troubleshoot your specific WinCC setup, let
"Station 4 is back!" Sarah shouted. "I have visuals on the reactor."
The Windows user on the remote PC must also exist on the WinCC Server with the exact same password, and must be part of the "SIMATIC HMI" user group.
Are the client and server on the , or are you connecting via VPN ?