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seclogon.dll

What is seclogon.dll?


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Windows Process Description:

The file seclogon.dll is a service module developed by Microsoft Corporation. This DLL serves as a Secondary Logon Service of the Windows operating system. SECLOGON is widely known as the "Run As" of Windows. It is used as a system process necessary to enable starting other processes to work especially those under alternate credentials. This means that the seclogon.dll application allows the user to run any Windows programs using a different account. It is also used as an alternate log on to the same computer using a different account name.

The seclogon.dll follows and applies the principle of least privilege or minimal privilege to function. This principle is used by the operating system's security tool to provide very specific privileges to a user while accessing relevant information or resources needed at the moment. For example, a user logged into his/her computer as a normal user while at the same time using administrative privileges to carry out a specific task. When this happens, the user initiates a system call to seclogon.dll to launch the Secondary Logon service to be able to log-on with another account while being registered as administrative user.

The seclogon.dll module as a Run As service can be accessed from the Start menu. From the menu you can select Run and enter in the command the username you wanted to choose. You can also access other account in the same command by replacing the username with the name of the account. Do this by also replacing the cmd with any command you like to run. Then click the OK button when prompted by the process. After which, key-in your password for the account you want to use and a new session will start.

The seclogon.dll is needed by the Service Host Process of the Windows operating system. It is a crucial data library link for svchost.exe file to work. Without it, consistent and fatal performance errors will be experienced by your computer. The file seclogon.dll uses minimal memory resources when enjoyed running in your system. A low of 50 and a high of 500 bytes is its entire memory usage. It has a total size of 20.5 kilo bytes and can be found with latest version of 6.0.6000.16386. The seclogon.dll resides in C:/ Windows/ system32/ dllcache of your computer.

Author: Microsoft Corporation

Author URL: http:// www.microsoft.com/

Part Of: Microsoft Windows operating system

Memory Usage: Low

Associated Applications: The file seclogon.dll is associated with SECLOGON service and supports Service Host Process through svchost.exe file

Background DLL: Yes

Uses Network: No

Hardware Related: No

Common Path: C:\ Windows\ system32\ seclogon.dll

DLL Version: 6.0.6000.16386

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