RC4 40/128

Enables or disables the use of RC4 40/128. This is a weak cipher and shoud not be used.

Changing this setting will have an effect on whether the following ciphers can be selected for use:

SSL_RSA_EXPORT_WITH_RC4_40_MD5
TLS_RSA_EXPORT_WITH_RC4_40_MD5

Supported on: At least Windows Server 2003 operating systems, Windows XP Professional Service Pack 1, or Windows 2000 Service Pack 3

Registry Hive	HKEY_LOCAL_MACHINE
Registry Path	SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 40/128
Value Name	Enabled
Value Type	REG_DWORD
Enabled Value	4294967295
Disabled Value	0

schannel.admx

Administrative Templates (Computers)

Network
- SChannel Configuration Settings
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  - Hashes
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  - Protocols
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- SSL Configuration Settings
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      - NULL
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      - RC2 56/128
      - RC2 128/128
      - RC4 40/128
      - RC4 56/128
      - RC4 64/128
      - RC4 128/128
    - AES 128/128
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    - Triple DES 168
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