How to Extend the Active Directory Schema Using an LDIF File

Hi,

I am not able to import the "ConfigMgr_ad_schema.ldf" (sccm schema upgrade), please see the below error message

E:\ConfigMgr07SP2Eval_RTM_ENU\SMSSETUP\BIN\I386>ldifde -i -f ConfigMgr_ad_schema
.ldf -v -j c:\sccm.txt
Invalid Parameter: Bad argument '-i'

LDIF Directory Exchange

General Parameters
==================
-i              Turn on Import Mode (The default is Export)
-f filename     Input or Output filename
-s servername   The server to bind to (Default to DC of computer's domain)
-c FromDN ToDN  Replace occurences of FromDN to ToDN
-v              Turn on Verbose Mode
-j path         Log File Location
-t port         Port Number (default = 389)
-u              Use Unicode format
-w timeout      Terminate execution if the server takes longer than the
                specified number of seconds to respond to an operation
                (default = no timeout specified)
-h              Enable SASL layer encryption
-?              Help

Export Specific
===============
-d RootDN       The root of the LDAP search (Default to Naming Context)
-r Filter       LDAP search filter (Default to "(objectClass=*)")
-p SearchScope  Search Scope (Base/OneLevel/Subtree)
-l list         List of attributes (comma separated) to look for
                in an LDAP search
-o list         List of attributes (comma separated) to omit from
                input.
-g              Disable Paged Search.
-m              Enable the SAM logic on export.
-n              Do not export binary values
-x              Include deleted objects (tombstones)

Import
======
-k              The import will go on ignoring 'Constraint Violation'
                and 'Object Already Exists' errors
-y              The import will use lazy commit for better performance
                (enabled by default)
-e              The import will not use lazy commit
-q threads      The import will use the specified number of threads
                (default is 1)

Credentials Establishment
=========================
Note that if no credentials is specified, LDIFDE will bind as the currently
logged on user, using SSPI.

-a UserDN [Password | *]            Simple authentication
-b UserName Domain [Password | *]   SSPI bind method

Example: Simple import of current domain
    ldifde -i -f INPUT.LDF

Example: Simple export of current domain
    ldifde -f OUTPUT.LDF

Example: Export of specific domain with credentials
    ldifde -m -f OUTPUT.LDF
           -b USERNAME DOMAINNAME *
           -s SERVERNAME
           -d "cn=users,DC=DOMAINNAME,DC=Microsoft,DC=Com"
           -r "(objectClass=user)"
No log files were written.  In order to generate a log file, please
specify the log file path via the -j option.