Metwork Related Windows Registry Entries

Network Related Registry Keys

Configuring DHCP on clients

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\{Adapter}\Parameters\Tcpip] Disabled “EnableDHCP”=dword:00000000

Enabled “EnableDHCP”=dword:00000001

TCP/IP Configuration

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\{Adapter}\Parameters\Tcpip] “IPAddress”=hex(7):31,39,32,2e,31,36,38,2e,31,2e,31,00,00

The above value should be a hexadecimal representation of the string containing the required IP address. The above address translates to “192.168.1.1”. The two null values at the end are required

“SubnetMask”=hex(7):32,35,35,2e,32,35,35,2e,32,35,35,2e,30,00,00
The above value should be a hexadecimal representation of the string containing the required subnet mask. The above address translates to “255.255.255.0”. The two null values at the end are required

“DefaultGateway”=”DefaultGateway”=hex(7):00,00
The above value should be a hexadecimal representation of the string containing the IP address of the gateway. The above address is a null string. The two null values at the end are required

Network Browser Elections

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters] Participate in browser elections “IsDomainMaster”=”Auto” Don’t participate in browser elections “IsDomainMaster”=”No”

Act as domain master “IsDomainMaster”=”Yes”

Hiding a workstation/server from browser lists

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters] Visible “Hidden”=dword:00000000

Hidden “Hidden”=dword:00000001

Delete cached roaming profiles

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] Disabled “DeleteRoamingCache”=dword:00000000

Enabled “DeleteRoamingCache”=dword:00000001

Removing or adding items to the Persistent Connections List

[HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Network\Persistent Connections]

Lists all persistent connections of the user

Supressing the ‘Domain Controller cannot be reached’ message

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] Message enabled “ReportDC”=dword:00000000

Message disabled “ReportDC”=dword:00000001

Domain Logon Confirmation

[HKEY_LOCAL_MACHINE\Network\Logon] Disabled “DomainLogonMessage”=dword:00000000

Enabled “DomainLogonMessage”=dword:00000001

Require validation by network to gain access to Windows 9x

[HKEY_LOCAL_MACHINE\Network\Logon] Disabled “MustBeValidated”=dword:00000000

Enabled “MustBeValidated”=dword:00000001

Automatic Login on Windows 9x

[HKEY_LOCAL_MACHINE\Network\Logon] “Username”=”Username to login as” [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Winlogon]

“Default Password”=”Password to use to login”

Automatic Login on Windows NT machines 

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] Disabled “AutoAdminLogon”=”0”

Enabled “AutoAdminLogon”=”1”

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

“DefaultUserName”=”Username to use in login”

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

“DefaultPassword”=”Password for login”

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

“DefaultDomainName”=”Domain to login to”

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] Disabled “DontDisplayLastUserName”=”0”

Last logged in user MUST be shown for autologin to work.

Don’t display the last logged in user

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] Disabled “DontDisplayLastUserName”=”0”

Enabled “DontDisplayLastUserName”=”1”

Enforcing a minimum password length 

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Network]

“MinPwdLen”=hex:Byte signifying the minimum password length

Changing the password expiry warning period

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]

“PasswordExpiryWarning”=dword:Number of days before expiry to show the password expiry warning

Send unencrypted passwords to be able to connect to Samba and other SMB servers

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Rdr\Parameters] Disabled “EnablePlainTextPassword”=dword:00000000

Enabled “EnablePlainTextPassword”=dword:00000001

Require alphanumeric password 

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Network] Disabled “AlphanumPwds”=dword:00000000

Enabled “AlphanumPwds”=dword:00000001

Detect Slow Network Connections

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] Disabled “SlowLinkDetectEnabled”=dword:00000000

Enabled “SlowLinkDetectEnabled”=dword:00000001

Slow Link Time-out Value

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]  “SlowLinkTimeOut”=dword:Time in milliseconds for detection of a slow link

Internet Explorer Title Configuration

[HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Main]

;”Window Title”=”Required Window Title”

Proxy Server Configuration 

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]

“ProxyServer”=”server:port”

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