"LDAP_AUTH_UNKNOWN (0x56)" error code occurs when you call the "ldap_set_option" function in Windows

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Fixes a "LDAP_AUTH_UNKNOWN (0x56)" error code issue in Windows 7 or in Windows Server 2008 R2. This issue occurs when you call the "ldap_set_option" function if you use the "LDAP_OPT_SASL_METHOD" session option to enable the SASL authentication mode.

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