If it is the first Exchange 2003 server in your site SRS will be running in that server. SRS is the one which is responsible for making the users in Exchange 2003 to appear in the Exchange 5.5 GAL. Check if you have configured a two way connection agreement, so that both Active directory and Exchange 5.5 directory updates the SRS. Regards, Maha ________________________________ From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of udayadmin Admin Sent: Wednesday, August 16, 2006 8:33 PM To: exchangelist@xxxxxxxxxxxxx; [ExchangeList] Subject: [ExchangeList] Exchange 5.5 and 2003 GAL issue Hi All, I have recently upgraded exchange 5.5 to 2003. But some of the exchanges are still 5.5. Now the GAL in 2003 is not synchronizing with exchange 5.5. Users those who logged in to exchange 5.5 are not able view 2003 users in their GAL but they are able to view the users that are still in 5.5. I am not sure where exactly this is dropping!! Any help appreciated. Regards Udayadmin Confidentiality Statement: This message is intended only for the individual or entity to which it is addressed. It may contain privileged, confidential information which is exempt from disclosure under applicable laws. If you are not the intended recipient, please note that you are strictly prohibited from disseminating or distributing this information (other than to the intended recipient) or copying this information. If you have received this communication in error, please notify us immediately by return email.