Sets the default authentication level for applications that do not call CoInitializeSecurity.
Registry Entry
HKEY_LOCAL_MACHINE\Software\Microsoft\OLE\
LegacyAuthenticationLevel=
default_authentication_level
Remarks
LegacyAuthenticationLevel is a named-value is a REG_WORD that sets the default level of authentication for all applications which do not call CoInitializeSecurity. Values are from 1 through 6, and correspond to the RPC_C_AUTHN_LEVEL_xxx constants:
|
Value |
Meaning |
|
1 |
RPC_C_AUTHN_LEVEL_NONE |
|
2 |
RPC_C_AUTHN_LEVEL_CONNECT |
|
3 |
RPC_C_AUTHN_LEVEL_CALL |
|
4 |
RPC_C_AUTHN_LEVEL_PKT |
|
5 |
RPC_C_AUTHN_LEVEL_PKT_INTEGRITY |
|
6 |
RPC_C_AUTHN_LEVEL_PKT_PRIVACY |
When this named-value is not present, the default authentication level established by the system is 2 (RPC_C_AUTHN_CONNECT).
See Also
CoInitializeSecurity, RPC_C_AUTHN_LEVEL_xxx, Registering COM Servers