Getting the same error on Windows Server 2019 and the latest Workbench 6.5 (03/03/2022).
It works fine on windows 10.
Workbench installed with some issues.
Mon Mar 28 15:33:37 EDT 2022:[INFO]:with com.atomikos.icatch.output_dir=/Workbench/logs/atomikos/transaction_info
Mon Mar 28 15:33:37 EDT 2022:[INFO]:in file: Z:\installed\Adobe Experience Manager forms Workbench\workbench\plugins\com.adobe.lcds_10.0.0.v201010290725\hightide\resources\jta.properties
Mon Mar 28 15:33:37 EDT 2022:[SEVERE]:Parameter, Z:\installed\Adobe Experience Manager forms Workbench\workbench\plugins\com.adobe.lcds_10.0.0.v201010290725\hightide\resources\jta.properties, is not an existing file
Mon Mar 28 15:33:37 EDT 2022:[INFO]:Replacing com.atomikos.icatch.log_base_dir
Mon Mar 28 15:33:37 EDT 2022:[INFO]:with com.atomikos.icatch.log_base_dir=/Workbench/logs/atomikos/transaction_info
Mon Mar 28 15:33:37 EDT 2022:[INFO]:in file: Z:\installed\Adobe Experience Manager forms Workbench\workbench\plugins\com.adobe.lcds_10.0.0.v201010290725\hightide\resources\jta.properties
Mon Mar 28 15:33:37 EDT 2022:[SEVERE]:Parameter, Z:\installed\Adobe Experience Manager forms Workbench\workbench\plugins\com.adobe.lcds_10.0.0.v201010290725\hightide\resources\jta.properties, is not an existing file
Mon Mar 28 15:36:50 EDT 2022:[INFO]:*******Initialize ReadMePanel********
Mon Mar 28 15:36:55 EDT 2022:[INFO]:*******Terminator********