3.1.5.6.4.4 UserInternal4Information
The server MUST process the message subject to the following constraints:
All updates MUST be done in the same transaction.
The server MUST satisfy the constraints listed in section 3.1.5.6.4.2.
If the USER_ALL_NTPASSWORDPRESENT or USER_ALL_LMPASSWORDPRESENT flag is present in the WhichFields field, the server MUST update the clearTextPassword attribute with the (decrypted) value of SAMPR_USER_INTERNAL4_INFORMATION.UserPassword, using, as the decryption key, the 16-byte SMB session key obtained as specified in section 3.1.2.4.