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We have recently found too many Authentication Errors in our application. It is not continuous, however it appears multiple times in a day and gets stuck. We are having ASP.Net Application hosted on IIS in Windows Server 2012 R2 Standard. We also have separate server with same configuration where MySQL has been installed.

Sometimes our query gets stuck in below stage:

unauthenticated user  - <IP> - <DB> - Connect - NULL - Reading from net - NULL
unauthenticated user  - <IP> - <DB> - Connect - NULL - Reading from net - NULL
unauthenticated user  - <IP> - <DB> - Connect - NULL - Reading from net - NULL

There are multiple connections like this, and after some times, it gives us below error.

Authentication to host <IP> for user <USER> using method
'mysql_native_password' failed with message: Reading from the stream has failed.

This error has started increasing too much and it is affecting our client's work.

We are using MySQL Connector DLL Version 6.8.3.0.

Please help us with the solution here. We have tried all suggestions provided in the MySQL Bug Forum.

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