[in] Bitmask of flags that controls the format of the passwords. The following flag can be set:
MAPI_UNICODE
The passwords are in Unicode format. If the MAPI_UNICODE flag is not set, the passwords are in ANSI format.
Return Values
S_OK
The password modification was successful.
MAPI_E_NO_ACCESS
The old password pointed to by lpOldPass is invalid.
MAPI_E_NO_SUPPORT
The status object does not support this operation, as indicated by the absence of the STATUS_CHANGE_PASSWORD flag in the status object's PR_RESOURCE_METHODS property.
Remarks
Not all status objects support the IMAPIStatus::ChangePassword method. It is supported only by service providers that require clients to enter a password. None of the status objects implemented by MAPI support the password change operation.
ChangePassword modifies a password programmatically, without user interaction.
Notes to Implementers
Remote transport providers implement ChangePassword as specified here. There are no special considerations.