The Registry Subkey Already Exists

Q: I removed the TCP/IPkeys and attempted to reinstall TCP/IP. In doing so, I received the message, "TheRegistry Subkey Already Exists." How do I fix this problem?

Ensure that you properlyremoved all the components of a given TCP/IP service. Then, using the Registryeditor very carefully (see screen A), make certain the following Registrysubkeys are removed.

HKEY_LOCAL_MACHINESoftwareMicrosoftNetBT

HKEY_LOCAL_MACHINESoftwareMicrosoftTcpip

HKEY_LOCAL_MACHINESoftwareMicrosoftTcpipCU

HKEY_LOCAL_MACHINESYSTEMCCSServicesDHCP

HKEY_LOCAL_MACHINESYSTEMCCSServicesLmhosts

HKEY_LOCAL_MACHINESYSTEMCCSServices
'NetDriver'ParametersTcpip

HKEY_LOCAL_MACHINESYSTEMCCSServicesNetBT

SNMP Service:

HKEY_LOCAL_MACHINESoftwareMicrosoftRFC1156Agent

HKEY_LOCAL_MACHINESoftwareMicrosoftSNMP

HKEY_LOCAL_MACHINESYSTEMCCSServicesSNMP

TCPIP Network Printing Support:

HKEY_LOCAL_MACHINESoftwareMicrosoftLPDSVC

HKEY_LOCAL_MACHINESoftwareMicrosoftTcpPrint

HKEY_LOCAL_MACHINESYSTEMCCSServicesLPDSVC

FTP Server Service:

HKEY_LOCAL_MACHINESoftwareMicrosoftFTPSVC

HKEY_LOCAL_MACHINESYSTEMCCSServicesFTPSVC

Simple TCPIP Services:

HKEY_LOCAL_MACHINESoftwareMicrosoftSimpTcp

HKEY_LOCAL_MACHINESYSTEMCCSServicesSimpTcp

DHCP Server Service:

HKEY_LOCAL_MACHINESoftwareMicrosoftDhcpMibAgent

HKEY_LOCAL_MACHINESoftwareMicrosoftDhcpServer

HKEY_LOCAL_MACHINESYSTEMCCSServicesDhcpServer

WINS Server Service:

HKEY_LOCAL_MACHINESoftwareMicrosoftWins

HKEY_LOCAL_MACHINESoftwareMicrosoftWinsMibAgent

HKEY_LOCAL_MACHINESYSTEMCCSServicesWins