Core FTP

I'm using coreFTP server on my local machine to test the SFTP file transfer. I'm using SSH.NET library to check for file existence and delete operations. However when one operation is followed by another via a BizTalk orchestration I'm getting 'The connection was closed by the server: Too many users... (' error.

I observed that whenever I'm seeing this error, there are 2 service instances in coreFTP server window. Any help on this is much appreciated!!

Thanks!

Make sure your license is installed correctly, you may still be encountering the 2 connection limit. If the service user is different than the user that installed it, check the "allow license access" option, which will allow other Windows accounts to see the license.

i'm using coreftp lite server version which is a trial version, is this a limitation of trial version?