How to fix login failed for user nt authority anonymous login?
Click the Delegation tab, select the Account is trusted for delegation check box, and then click OK. Finally, you will also need to configure all machines as trusted for delegation. Once you’ve done this, connect back to your sql server and try your favorite servers. They should work.
Table of Contents
What is NT Authority?
The NT AUTHORITY/System account, which is a local system account. It is a powerful account that has unrestricted access to all local system resources. You are a member of the Windows Administrators group on the local computer, and therefore you are a member of the SQL Server System Administrator fixed server role.
What is the NT authority system user?
Who is the anonymous login?
An anonymous login is a process that allows a user to log in to a website anonymously, often using “anonymous” as the username. In this case, the login password can be any text, but is typically a user’s email address. Users can access general services or public information using anonymous logins.
How do I get rid of anonymous login?
Solution
- Log in as “Administrator” and click “Start > Run”.
- Type “regedit” in the box and click the “OK” button.
- Navigate to HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/Lsa.
- Change the value of “RestrictAnonymous” from “0” to “1”
- Exit regedit and restart the server.
Why did my login fail for NT authority?
Login failed for user ‘NTAUTHORITY//ANONYMOUS LOGON’. I am using windows authentication. inside server reports are working fine. Outside of the server, we get this error. I got some suggestions that it is a double hop issue. Solutions can be: Use stored credentials.
Is there a way to disable anonymous login?
Regarding file servers, I don’t see such events, but access is very restricted there. No, you can disable it. NT AUTHORITY//ANONYMOUS LOGIN sometimes used by third party services. Also check if you still have NTLMv1 and LM enabled on your servers and domain controllers, it’s time to disable them ASAP for security reasons.
What causes login to fail due to user error?
To summarize, the login failed error for user ‘NT AUTHORITYANONYMOUS LOGON’ in both cases appears to be caused by a service not running and/or not under the correct user. Making sure the correct SPN or other Service is running and under the correct user should resolve the anonymous part of the problem. Share.
What causes Integrated Authentication to fall back to NTLM?
If an SPN is not registered, integrated authentication might fall back to NTLM instead of Kerberos. If your issue is with linked servers, there are a few things to watch out for. First of all, your users need to have delegation enabled, and if that’s all that’s changed, chances are they will.