There have been many unofficial fixes for the problem which were created by the users who had the same unfortunate experience. We have gathered the working methods in this article so make sure you follow it in order to resolve the problem.
What Causes “The Local Security Authority Cannot be Contacted” Error on Windows?
Pinpointing the correct cause for the problem is one of the most important steps when it comes to resolving one. That is why we have created a list of possible causes for the problem so make sure you check it out below:
Solution 1: Change Your DNS Address
The problem is often caused by a faulty DNS setup which is simply not accepted by the host or its service. The problem can be resolved easily by changing your default DNS settings to use the ones provided by OpenDNS or Google. This can be done easily in Control Panel so make sure you follow the steps below carefully.
Solution 2: Enable Remote Connections in Group Policy Editor
Sometimes the Group Policy on the client computer is preventing the remote Desktop connection completely. This can be changed quite easily in Group Policy Editor if you are running any version of Windows besides Windows Home. Follow the steps below in order to enable remote connections in Group Policy Editor.
Solution 3: Allow the Connection inside System Properties
The most common cause for the problem is the fact that remote access is, in one way or another, blocked on either the host or the client PC. This time, the problem may be with the host PC which may not be accepting connections from other PCs or the ones with another version of Remote Desktop running. Follow the steps below in order to fix this.
Solution 4: Run a Helpful Command on the Host
This method is quite popular for its simplicity and plenty of people use it in order to fix most things related to connectivity issues. The funny thing is that it works and users have commented saying that this is the only step it took to resolve the problem. Try it out now!
Solution 5: Set to Allow Connections from All Versions
Microsoft released an update to Windows 10 and Windows server to fix certain vulnerabilities and didn’t end up releasing one for Windows 7. Therefore, Windows 7 users were stuck on a different version. Therefore, you have to set up the connection in such a way that it allows connecting from any and all versions of Remote Desktop. However, keep in mind that this is much less secure than the latter option.
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