The data_engine probe was running fine up to a point where there were unknown changes in the environment. I am getting the following in the data_engine log:
Apr 13 17:37:41:748  0 de: (1) Open [Microsoft OLE DB Provider for SQL Server] [DBNETLIB][ConnectionOpen (SECCreateCredentials()).]SSL Security error.
Apr 13 17:37:41:749  0 de: COM Error [0x80004005] Unspecified error - [Microsoft OLE DB Provider for SQL Server] [DBNETLIB][ConnectionOpen (SECCreateCredentials()).]SSL Security error.
Apr 13 17:37:41:749  0 de: Unable to connect to database. so exiting
I am also seeing the following in my Windows system event log file:
A fatal error occurred while creating an SSL client credential. The internal error state is 10013.
Release: UIM 9.x and above
Component: UIM data_engine
This can either be an issue where FIPS is not turned on for the system in the Local Security Policy if you are configured to use TLS (1.2) in the data_engine configuration, or TLS 1.0 was disabled on the machine without actually configuring TLS for the data_engine per the following: