184.108.40.206. RTI Connext Micro
220.127.116.11.1. Connext Micro 3.0.3 installation package currently compatible only with Connext 6.0.1 installer
Connext Micro 3.0.3 must be installed with Connext Professional release 6.0.1. It cannot be installed with release 6.1.0 or later. Note that, although you cannot install Connext Micro 3.0.3 with Connext 6.1.0 and higher, it is interoperable with Connext 6.1.0 and higher. Customers licensing Connext Micro will be notified when a Connext Micro release that is compatible with 6.1.0 or later installers is available.
See the Connext Micro Release Notes for more information on Connext Micro 3.0.3.
18.104.22.168.2. Communication failures with reliable Connext Micro 3 or 2.4 DataReader
This regression was introduced in 6.1.2 and has been fixed in 22.214.171.124 and 7.1.0. See Unexpected precondition error with debug libraries on a reliable DataWriter while sending a GAP in the 6.1.1/6.1.2 Regressions section.