You can use the DSADiag utility to display the current list of cached servers that DSAccess is using (and thus supplying to DSProxy) and also to force DSAccess to refresh the server list. DSADiag, which is available from, is a single executable file. To use the utility, you must place the file in the \exchsrvr\bin directory. Executing DSADiag from a command window without parameters displays information about its two modes of operation. Use the DSADiag 1 command to display existing cached server list information, and use DSADiag 2 to refresh the list. Web Figure A on the Exchange & Outlook Administrator Web site ( shows the information that DSADiag returned from one of the Exchange 2000 Server machines on my network.