Registration at LDS

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paul rabe

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Jan 19, 2026, 6:38:15 AM (2 days ago) Jan 19
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I need help, please
Until now I have used Open62541 version 1.3.5 and everything was working fine for me, including register my server at LDS. Now I have updated to version 1.4.14. I have seen some API changes. For changing the registration procedure I have oriented me at the examples/discovery/server_register.c. Unfortunately this example doesn't work here. Despite a lot of tries und modifications, my server registration is also not working.
In wireshark I can see traffic to port 4840 but no RegisterServer2Request at all, The log says "BadIdentityTokenRejected". The Call of UA_Server_registerDiscovery yields UA_STATUSCODE_GOOD - no error.

What has to be changed to the example code so registration is working ?

My environment (still the same as for 1.3.5):
LDS from OPC Foundation 1.04
OpenSSL 3.6.0
Windows 10LTSC
build with cmake using Visual Studio 2022, 32bit Target and
 UA_ENABLE_DISCOVERY=ON
 UA_ENABLE_DISCOVERY_MULTICAST=ON
 UA_ENABLE_DIAGNOSTICS=ON
 UA_ENABLE_STATUSCODE_DESCRIPTIONS=ON
 UA_ENABLE_ENCRYPTION=OPENSSL
 UA_BUILD_EXAMPLES=ON

Thanks & best regards
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