Guided Procedures - Invalid Response Code: (401) Unauthorized

I'm trying to generate an impersonalized form in Guided Procedures. I got an error.

I checked the SAP logs and the error is

Invalid Response Code: (401) Unauthorized. The requested URL was:"http://hostXX:portXX/AdobeDocumentServices/Config?style=document"

Before this error occurs I see an alert

LOGIN.FAILED

User: N/A

Authentication Stack: com.adobe/AdobeDocumentServices*AdobeDocumentServices_Config

Login Module Flag Initialize Login Commit Abort Details

1. com.sap.engine.services.security.server.jaas.BasicPasswordLoginModule SUFFICIENT ok exception true Authentication did not succeed.

I've checked the ADSUser and its not locked. Configuration and everything looks fine. I've tested the ADS connections too on SM59.

We have similar configuration for DEV and its working fine there.

Any help on this is highly appreciated.

Version - SAP 2004s SP16

Thank you,

Srinivas