Try to make changes as mentioned on [1] in domain_mssql.xml [1] https://muhammadkhojaye.blogspot.in/2014/01/jboss-deployment-war-error-on-startup.html  

With turnkey installer we have Java 1.8 update 74, you can try that. You should use pre-configured Jboss. Go through supportability matrix as well [1][1] https://helpx.adobe.com/aem-forms/6-2/AEM-forms-JEE-supported-platforms.html

Issue seems to be with JVM. Check[1],[2]. If you are using non-turnkey installer try to update Java.[1] http://stackoverflow.com/questions/25406681/jvm-crash-exception-access-violation[2]https://www.java.com/en/download/help/exception_access.xml

See the page : https://helpx.adobe.com/aem-forms/6-2/prepopulate-adaptive-form-fields.html#AEMFormsprefillservice

LCM would take care of required modules and won't let you move ahead. It should be Output + Content RepositoryThanksWasil

Sid,Try to create a framework extension bundle so that javax.mail.* are provided along with system packages. See below links :https://helpx.adobe.com/experience-manager/kb/CreatingExtension.htmlhttp://stackoverflow.com/questions/787985/apache-felix-what-are-extension-bundlesThanksWasil

Export the database and import it to the database which is used by new server, that way it might retain step. Also, makes sure to use same GDS.Thanks,Wasil

You need to use correct port. This port is actually where you open the adminui in browserDefault ports based on app servers are :JBoss - 8080Websphere - 9080Weblogic - 7003/7002(plz check)ThanksWasil

You need to make sure that you have set correct transaction isolation level on the SQL Server. This is already there in the installation document : http://help.adobe.com/en_US/livecycle/11.0/PrepareInstallCluster/WS624e3cba99b79e12-38fb9c7e12eea97fd78-7fb5.2.html#WS624e3cba99b79e125803425a12eea97f5c...

Shekhar,I had MySQL handy, so I did using that and attached here is a sample. For Oracle, it is assignment for you along with retrieval.-Wasil