<a href="http://technet.microsoft.com/en-us/library/cc708642.aspx">Here</a> is a technet article on synchronizing GALs. It applies to Exchange 2003. You did not say what version you are using. It is always helpful to include details such as version and patch level. Please try to include that in the future. Thanks.

<a href="http://technet.microsoft.com/en-us/library/cc708642.aspx">Here</a> is a technet article on synchronizing GALs. It applies to Exchange 2003. You did not say what version you are using. It is always helpful to include details such as version and patch level. Please try to include that in the future. Thanks.