HowToDowngrade

Assuming that you have been using Atomikos ExtremeTransactions® and want to downgrade to Atomikos TransactionsEssentials®: open your jta.properties file and look for the property named com.atomikos.icatch.service: com.atomikos.icatch.standalone.UserTransactionServiceFactory is the value you should set...

Please note that this will exclude you from support/maintenance updates and also de-activates certain advanced features only available in Atomikos ExtremeTransactions®...