FreeFileSync Forum

Fixed! Converting the IPv6 server config to a single string and back indeed had a bug:
https://www.mediafire.com/file_premium/pt4vaju4rqj5kbc/FreeFileSync_13.8_%255BBeta%255D_Windows_Setup.exe


I have the same error, in Microsoft Windows Server 2012 R2 Standard , version 6.3.9600 compile 9600 ...