Yes, ES4 won't support the latest Windows Server. Also, it is EOL already: https://helpx.adobe.com/support/programs/eol-matrix.html Try AEM Forms 6.5 : https://experienceleague.adobe.com/docs/experience-manager-65/forms/install-aem-forms/jee-installation/aem-forms-jee-supported-platforms.html?lang=e...

I would suggest you check xtk:workflow schema which seems to be extended. There seems to be an invalid link element(type="link") which is causing issues. HTH. ThanksWasil

Refer to KB : https://helpx.adobe.com/ie/aem-forms/kb/mysql-bin-xxxxx-files-taking-up-Disk-Space-on-AEM-Forms.html CheersWasil

Have a look at ReplicationEvent PATHS API : https://helpx.adobe.com/experience-manager/6-3/sites/developing/using/reference-materials/javadoc/com/day/cq/replication/ReplicationEvent.html#PATHS ThanksWasil

Try below :@Component(property={"scheduler.expression:String=0 * * * * ?"})@Designate(ocd=ScheduledNodeProperty.Config.class)  public class ScheduledNodeProperty implements RunnableThanksWasil

You need to install the bouncy castle jar[0](already an OSGI bundle) in /system/console/bundles and update the sling.properties as on page[1][0] PGP Encryption/Decryption in Java | Waiting for Wit[1] AEM 6.0 Forms Help | Configuring Document Services

Then check following :If the workspace is customized, update with new SDK at  \Adobe_Experience_Manager_Forms\sdk\html-workspaceFollow the KB : AEM Forms blocks valid HTTP requests Reach out to AEM Support team at DayCare : Adobe AEM CQ Support Portal - Contact ​ with steps/collaterals to replicate ...

Check this : Stored Data into AEM jcr node from Other RDBMS ThanksWasil

It is not recommended to send whole data in the query parameters rather in the body. Please try the same by sending the data in body.Thanks,Wasil

Also, check permissions of the workflow-service user to these scripts at the given paths.Thanks,Wasil