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LSASS.exe or Local Security Authority Subsystem Service is a process on the Windows operating system. It is valuable for the enforcement of security policies on the computer. When a user connects to the Windows server, he or she is responsible for managing password changes and creating access tokens when updating the security protocol. It is often attacked and imitated by malware. The original location of this file is C:\Windows\System32 if C:: is your system partition.
So, if the process runs with a similar name in the Task Manager, but the location is different, you know that the process is a threat and exploits security on your computer. In this article, we will discuss the high CPU resource consumption of the original lsass.exe file under Windows.
Apply Microsoft patches
The May 2014 update package for Windows RT 8.1, Windows 8.1 and Windows Server 2012 R2 solves problems and improves performance and reliability. We recommend that you use this update rollup as part of your regular maintenance routines.
Using the Device Manager
- Go to the device manager
- Select your NIC card.
- Select properties
- Power management.
- Disable the option “The computer can turn off this unit to save power”.
- Restart
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Create a new user account
1. Click on the Start button, then on Control Panel.
2. Double-click on User Accounts.
3. click on Manage another user account.
4. Click on Create a new account and enter the name.
5. select the account type as the computer administrator.
6. click on Create an account.
7. Log out and log in with the new account.
Updating the Registry
Set the following registry key and values to make Windows 7 behave like Windows Server2003 with respect to the Kerberos encryption type (KERB_ETYPE_RC4_HMAC_NT).
Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\Kerberos\parameter
(Add this value to the parameter key.)
Type : REG_DWORD
Name: Default encryption type
Data: 23 (decimal) or 0x17 (hexadecimal)
NOTE: Don’t forget to modify the system registry! ENSURE that you make a backup before making any changes, just in case something goes wrong. Also any suggestion you find here is APPLICATION ON YOUR OWN RISK!
https://stackoverflow.com/questions/19610747/windows-server-crashes-unexpectedly-lsass-exe-failed-with-status-code-255
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