iXpdaemon.log has errors like this
08-13 01:42:32: db-S21:java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver08-13 01:42:32: db-S21:at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1353)08-13 01:42:32: db-S21:at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1162)08-13 01:42:32: db-S21:at java.lang.Class.forName0(Native Method)08-13 01:42:32: db-S21:at java.lang.Class.forName(Class.java:264)08-13 01:42:32: db-S21:at com.pgti.ixp.core.db.DbConnector.getPhysicalConnectionY(DbConnector.java:495)08-13 01:42:32: db-S21:at com.pgti.ixp.core.db.DbConnector.access$000(DbConnector.java:54)08-13 01:42:32: db-S21:at com.pgti.ixp.core.db.DbConnector$1.run(DbConnector.java:435)08-13 01:42:32: db-S21:com.pgti.ixp.core.exception.IxpException:com.microsoft.sqlserver.jdbc.SQLServerDriver08-13 01:42:32: S21:connecting:primary08-13 01:42:32: db-S21:java.lang.ClassNotFoundException: com.microsoft.sqlserver.jdbc.SQLServerDriver08-13 01:42:32: db-S21:at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1353)08-13 01:42:32: db-S21:at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1162)08-13 01:42:32: db-S21:at java.lang.Class.forName0(Native Method)08-13 01:42:32: db-S21:at java.lang.Class.forName(Class.java:264)08-13 01:42:32: db-S21:at com.pgti.ixp.core.db.DbConnector.getPhysicalConnectionY(DbConnector.java:495)08-13 01:42:32: db-S21:at com.pgti.ixp.core.db.DbConnector.access$000(DbConnector.java:54)08-13 01:42:32: db-S21:at com.pgti.ixp.core.db.DbConnector$1.run(DbConnector.java:435)08-13 01:42:32: db-S21:com.pgti.ixp.core.exception.IxpException:com.microsoft.sqlserver.jdbc.SQLServerDriver
cp -p mssql-jdbc-9.4.0.jre8.jar /opt/apache-tomcat-9.0.102/lib
cp -p mssql-jdbc-9.4.0.jre8.jar $AUTOSYS/jre/lib/ext