TC-SC-4.3 Failing - T key must be included if TCP is supported (CON-1944)

[lamiathasnim]

Hi,

We are getting the following error when the test case tc-sc-4.3 is executed.
Details=T key must be included if TCP is supported - returned TXT record: MdnsServiceInfo(service_name='C86CE087E4756403-0000000012344321._matter._tcp.local.', instance_name='C86CE087E4756403-0000000012344321', server='80B54EF4E204.local.', port=5540, addresses=['192.168.1.104', 'fe80::82b5:4eff:fef4:e204'], txt_record={'': None}, priority=0, interface_index=None, weight=0, host_ttl=120, other_ttl=4500, service_type='_matter._tcp.local.'), Extras=None

Please find attached the PICS file and the MTH logs.

TC-SC-4_3_2026_01_16_14_08_55.log

Base.xml

[shubhamdp]

@lamiathasnim I strongly suggest you to provider at least commit ids that you are using for building the firmware to reproduce this on exact same environment:

Environment

• ESP-Matter Commit Id:
• ESP-Matter Branch (eg: release/v1.4.2):
• If using from component manager, version:
• ESP-IDF Commit Id:
• SoC (eg: ESP32 or ESP32-C3):
• Device Logs (Please attach the log file):