Re: Connector/Net 6.6.4 for Visual Studio 2012 Set connection will Crash

[Gabriela Martinez Sanchez]

Hi Bruce, this error is due to a deprecation in Connector/Net on using the old password encryption this was basically because it is not secure enough. If you want to use this old password encryption, you can use a previous version like 6.5 (of course you will miss the new functionality in C/Net). The other option for you is to reset this user's password to the new encryption, by doing the following (this will assume that you have the old_password variable to 0 so you might want to check that first, otherwise this won't work).

set password for 'oldpassuser'@'localhost' = password( '123' )

(oldpassuser is the user you're using to login on the server)

Also you can check this bug report to have more information. http://bugs.mysql.com/bug.php?id=66647

Hope this helps.