GUID not retained when a data connection is replaced in Spotfire 7.5. Is anyone else facing a similar issue?

We are using Spotfire 7.5.81. Consider we have an older version of a data connection A with GUID=123. When we replace this connection with a new connection, ideally all the new updates should be reflected in the connection A but the GUID should still be 123. However in our case, when we replace A , the changes are reflected but the GUID changes to say 456. 

Furthermore, this is the case only with data connections. (ODBC data connection to Impala in our case). We checked the replace functionality for reports and information links and it works as expected.

Is anyone else facing a similar issue ? Is there any hot fix which has addressed this issue?

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