Unable to register to Windows Server 2016 Task Servers if the Anonymous Authentication for the ClientTaskServer page is not set to Enable.
KB30852: "Login failed for user `NT AUTHORITY\ANONYMOUS LOGON" error message appears when using Windows NT Authenitication for a database instance DSN connection in MicroStrategy Desktop 9.x and MicroStrategy Developer 10.x
![single sign on - Identity server 3 Windows authentication not working with current user - Stack Overflow single sign on - Identity server 3 Windows authentication not working with current user - Stack Overflow](https://i.stack.imgur.com/EoGy0.png)
single sign on - Identity server 3 Windows authentication not working with current user - Stack Overflow
Remove "NT Authority\Anonymous Logon" from membership of the Pre-Windows 2000 Compatible Access security group
![How to use a Windows Active Directory Group Policy Object (GPO) to logon and logout users automatically from Kerio Control How to use a Windows Active Directory Group Policy Object (GPO) to logon and logout users automatically from Kerio Control](https://manuals.gfi.com/en/kerio/control/content/assets/gp6.png)