bestsync.us

Could you please tell me when does the error occur?
At the starting time of the application or when the application is synchronizing the files?

Please click the "advanced..." button in the "General" page of the task wizard, in the "CodePage used to transfer the file name" combobox, please confirm whether the codepage is "0000--No Codepage conversion" or "65001--utf-8--Unicode (UTF-8)". if th...

Thank you for the testing account. I have tested by the account to run a task for many times, and have uploaded more than 40,000 files, but can not recreate the error. From the log data that you posted, BestSync sended correct commands, but the FTP server responsed the error string. I think that the...

Does recreating the tasks resolve this problem?

I can see from the log data that BestSync sends the correct commands, but sometimes the FTP server just responses "500 Unknown command".
Are you using FTPS or FTPES?
If it is possible, please send me a test account by e-mail (risefly@risefly.com), so that I can debug this problem.

Please try to setup a "Run as" local account for "BestSync Service" in "Services" of the "Control Panel", to see if this problem can be avoided.

Have you setup the logon account for the service to impersonate a local user and log into the shared folder.
You can click the "User" icon on the right of the remote folder in the "General" wizard page.

Thank you for reporting the problem and the fixed result.

Please try the new version 5.4.08 on our website to see if the problem has been fixed.

Please download the new ver 5.4.08 from our website, the new version fixed the problem that the shell extension is not registered correctly on 64 Bit OS.