You can use tools like Loadsim, Jetstress and ESP to carryout these tests and they have multiple options that can cater your needs.. Regards Vinoth Sr. Systems Specialist | OMC - CMcK | HCL Comnet | Mobile: 99401 91883 ________________________________ From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Ibarra, Juan Sent: 05 June 2008 18:54 To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Need to Create 4000 users with email address Importance: High All, I have an exchange 2000 environment used for testing purposes. However, I now need to create 4000 users with email address for a performance test on one of our apps. Questions: 1-Do I really need to create 4000 users in order to create 4000 email addresses? 2-Is there an easy way (no scripting experience) to accomplish this? Any input is greatly appreciated. Thanks, Juan DISCLAIMER: ----------------------------------------------------------------------------------------------------------------------- The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. It shall not attach any liability on the originator or HCL or its affiliates. Any views or opinions presented in this email are solely those of the author and may not necessarily reflect the opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification, distribution and / or publication of this message without the prior written consent of the author of this e-mail is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately. Before opening any mail and attachments please check them for viruses and defect. -----------------------------------------------------------------------------------------------------------------------