MSSQL JDBC not connecting after upgrading Thingworx from 9.3.x to 9.7.3

[SV_10197221]

Hi 

I upgraded ThingWorx from 9.3.x to 9.7.3 yesterday. And after the upgrade the JDBC connecting Thing to MSSQL is not connecting.

I have even upgraded and installed the new JDBC extension 2.1.0 as well.

[VladimirN]

Similar issue:

• "Unable to connect database thing to MSSQL DB": https://community.ptc.com/t5/ThingWorx-Developers/Unable-to-connect-database-thing-to-MSSQL-DB/td-p/531832 
• "Problems connecting ThingWorx 9.2 to a external SQL server without using an external extension": https://community.ptc.com/t5/ThingWorx-Developers/Problems-connecting-ThingWorx-9-2-to-a-external-SQL-server/td-p/799227