KNX-ETS 6 Professional | Update to version v6.3.1
- KNX Vietnam
- Jun 5
- 3 min read
Download link for ETS6 Professional software, version v6.3.1, released on May 20, 2025.

MD5 Hash: 41de9b912f1367fcf49e83160f932f08 |
📈Improvements
User Interface & Functionality
Improve Sequence number isolation between devices
Allow "Unload All" (=FactoryReset) also with high secure sequence numbers
Modify the Device Developer check so that it checks for a Manufacturer Tool license instead
Implement a fix for some KNX/IP devices
Improve the licensing workflow while doing multi-selection
The "Close Project" icon has been replaced with a more distinctive icon
Set Last Modified Column Configuration as Default for newly opened Detail View of that type
Add an additional security proxy entry to sidebar application
Make local IpDeviceDiscovery work also if none of the Network Interface Cards has a supported type
ETS + KNX IoT: Bus current in Info; Remove this information for KNX IoT devices
🛠️Bug fixes
User Interface & Functionality
Project Archive:
Not reachable webDAV folder
Archive enumeration fails when subfolder contains empty status.info
Archive in conflict state after local changes
Device Compare App not licensed even after adding license
Export of password protected projects fails, if not opened before
Loss of Topology Segments and Devices after changing password of secured project
Moving a device across security domains does not reset programming flags
Problem when synchronizing group tree
Removing channel instances which do not exist in usage anymore repeatedly triggers persistence
IoT Point API:
Last downloaded time stamp in ETS gets Updated correctly for IoT Point API devices
Removed filter table from reading Device Info for IoT Point API devices
Resolved issues related to failure of firmware updates for very large payload sizes
Resolved issue related to pop-up shown related to invalid mDNS discovery responses for IoT Point API
IoT Point API firmware update now considers the sleep cycle of sleepy devices
Turn programming mode On/Off now considers the sleep cycle for sleepy devices
For IoT Point API devices the sending association Group Address will be configured first in all cases
Receiving ICMP errors no longer aborts operations for IoT Point API devices
If the DefaultValue of a parameter with ParameterType 'Color' is presented as a string (instead of 'Color object'), an error is thrown
Workspace not correctly saved when closing ETS with the x button of the window
GroupValue dialog not wide enough for DPT 251.600
Last value read secure group addresses not visible in group addresses
Missing Texts at channels and Communication Objects
Monitor: Custom filters do not work properly
Parameter dialog: Rounding problem
"Write value" and "Read value" options are not available in the Building Panel when filter is used
Security status inconsistency; Some instances show blue shield, while others are blank
Trying to switch the panel type while in in-place edit mode raises an exception
Trades: tree doesn't sort in alphabetical order
Unable to edit IoT Line Name using In-place edit after try to change medium type
Cloud interface with AccessToken works only once
The MultiSelection download (RF Fast & Ready) fails if a retransmitter is active
DCA extremely slow after switching to group objects tab and back and an error occurs
ETS does not use direct IP connection if device does not support SEARCH_REQUEST_EXTENDED
Monitor delay time issue
Support Ex-factory cloud interface
The application download always breaks after confirmed restart
ETS tries to contact the media coupler which is currently not downloaded and not in the same segment like the RF Multi interface.
Newer ETS Version cannot pick up licensing session from < ETS 6.2.2
Source: support.knx.org
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