SMTP address change

hi, using exchange server 2003 ent edition. My offline address book replication has been stopped suddendly. I run OABInteg tool for proxy address and found mismatch e-mail address and proxy address. I have two smtp address. one is smtp and second is SMTP. My actual e-mail address are coming in smtp :@email address in proxy address which i need to change to SMTP:@email address. In short i need to swap between smtp and SMTP. Please usggest how should i do?
SMTP : , smtp: (need to swap in proxy address between two, like i need
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waleedaConnect With a Mentor Commented:
just go to your exchange
open your Exchange System-Manager
go to your mailbox --> then email addresses
and set the smtp you want to use as a default so it will be SMTP by select the smtp and click on set as primary

for more info
please check the below URL with screenshots: nu009.gif
Komal_UpadhyayConnect With a Mentor Author Commented:
this is bacis solution and i have 3000 users so i am searching for some tool/script.  please suggest script or tool like AD manager or ADmodify which allow me to swap between primary and secondary SMTP.
waleedaConnect With a Mentor Commented:
do you want to change for all users?

if yes then you should do it through Recipient Policies

check the same article
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Mohammad Ishtyaq KhatriConnect With a Mentor Commented:
Receipient policy would work but For this you should know the common attribute for all the AD users to specifiy the changes, then follow the below steps

Click Start, point to Programs, point to Microsoft Exchange, click System Manager

In the left System Manager window pane, click to expand Organization, click to expand Recipients, and then click Recipient Policies.

Note In the right pane, there is a Default Policy that applies to all recipients. In mixed mode, there is a Default Policy for each site.

Right-click Recipient Policies, point to New, and then click Recipient Policy.

Specify an LDAP filter (that is, to whom the policy applies) and the e-mail addresses for these recipient

I would suggest you to first test it on few members befor applying it to the whole organization & other this is all users need to be download the OAB to get the changes if they are on cache.

Glen KnightConnect With a Mentor Commented:
Just change the existing recipient policy so that throne you want is specified as the default.  Then under Recipients, right click both recipient update services and select rebuilt.

This will set the smtp to be the default and it will become SMTP which is all the uppercase and lowercase signifies.
Komal_UpadhyayAuthor Commented:
it was target SMTP address issue and we corrected to primary SMTP and address book issue solved.
Komal_UpadhyayAuthor Commented:
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