Plugin Installed/Activated/Configured but moved files don't appear in S3 Bucket

[ITDotCom]

Platform : WP 3.9.2 + WooCommerce

Have around 30,000+ files in existing Uploads folder and all these files already exist in a S3 Bucket, if this bucket name is specified in plugin config, plugin doesn't return file listing confirming existence of any files in this particular S3 Bucket, only shows list of files in WP Uploads folder.

Therefore, created a new Bucket in s3 and setup a new Cloudfront distribution with the intention of uploading contents of Uploads folder via this Plugin. Once the config was in place, plugin returned a list containing 100 files from uploads folder and similar file lists in subsequent 338 pages. All files selected on page-1, clicked "Move files to S3", got message 100 files Moved but the S3 bucket is empty while these 100 files still exist in Uploads folder. Not getting even any error messages.

Assistance in resolving this would be highly appreciated and tips to utilize the 30,000+ in existing S3 bucket without having to manually upload these again will be of immense help.