Registry Home > Security > Remote Access

Disable Dial-In Access (Windows 95/98/Me)

It's possible for users to setup a modem on a Windows machine, and by using Dial-up Networking allow callers to connect to the internal network. Especially in a corporate environment this can cause a major security risk.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find or create the key below.

Create a new DWORD value, or modify the existing value, called "NoDialIn" and set it according to the value data below.

Exit your registry; you may need to restart or log out of Windows for the change to take effect.

Registry Editor Example
|NameTypeData|
|(Default)REG_SZ(value not set)|
|NoDialInREG_DWORD0x00000001 (1)|
-
|HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\...|
-
Registry Settings
User Key: [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\
Network]
System Key: [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\
Network]
Value Name: NoDialIn
Data Type: REG_DWORD (DWORD Value)
Value Data: (0 = dial-in enabled, 1 = dial-in disabled)

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: April 3, 2002