Tia Portal V13 Sp1 Update 4

Improved integration for redundant and routed controllers via PLC Proxy, including MPI communication support. Essential Compatibility & Requirements

| Symptom | Likely Cause | Resolution in Update 4 | | :--- | :--- | :--- | | | Corrupt temp cache. | Delete C:\ProgramData\Siemens\Step7\Cache and C:\Users\[User]\AppData\Local\Temp\Siemens . Recompile. | | WinCC Runtime crashes on panel reboot | Incompatible HMI image version. | Update panel OS to firmware V13.0.2.4 using ProSave. | | PG/PC interface cannot find PLC on PROFINET | Windows firewall blocking DCP (Discovery and Configuration Protocol). | Add an exception for DCPFinder.exe and S7EpiSrvs.exe in Windows Firewall. | | License transfer fails | Automation License Manager (ALM) version mismatch. | Update ALM to version 5.2+ independently of TIA Portal. | Tia Portal V13 Sp1 Update 4

⚠️ : TIA Portal V13 SP1 is not officially compatible with Windows 10 version 1809 or newer, nor Windows 11. If you have upgraded your OS, consider running the software in a virtual machine (e.g., VMware or VirtualBox). Recompile

: All TIA Portal components (STEP 7, WinCC, Safety, Startdrive) must be updated to the same Service Pack level (e.g., SP2) to remain functional. Further Exploration | | PG/PC interface cannot find PLC on

: Projects created in V13 SP0 must be updated to the V13.1 format when opened in SP1 Update 4. Note that TIA Portal generally does not support backwards conversion for projects modified in newer versions. Operating System Limits : V13 SP1 is officially not compatible with Windows 10 ; users on modern operating systems are advised to use V13 SP2 or newer Compatibility Requirement