4 |top| - Tia Portal V13 Sp1 Update
TIA Portal V13 SP1 Update 4: Optimizing Industrial Engineering
Ready to update? Download the update today, schedule a maintenance window, and bring your TIA Portal environment to its peak stability. Tia Portal V13 Sp1 Update 4
If you are working with this version in 2026, keep these technical "gotchas" in mind: Update for TIA Portal V13 SP1 - SiePortal - Siemens TIA Portal V13 SP1 Update 4: Optimizing Industrial
- Open TIA Portal → About should show
V13 SP1 Update 4. - Open an existing project → Rebuild all (Compile > Software rebuild all).
- Test online connectivity to a PLC.
Troubleshooting
| Issue | Solution | |-------|----------| | Update says “No base version found” | Install TIA Portal V13 SP1 first (not V13, not V14). | | Installation fails at 99% | Disable antivirus, run as admin, clean temp files. | | Projects won’t open after update | Restore from archive; repair installation via Control Panel. | | Windows 10 issues | Use compatibility mode (Win7) or upgrade to V14+. | Open TIA Portal → About should show V13 SP1 Update 4
Chapter 7: Post-Update Project Migration
Once Update 4 is installed, you do not need to convert your projects—the update is backward-compatible. However, for best results:
| Symptom | Likely Cause | Resolution in Update 4 |
| :--- | :--- | :--- |
| "Internal error (details: Internal)" during compilation | 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. |