It always prompt the box request enter Exhange 5.5 services account to setup exchange 2003 servers. My Exchange 2003 enviroments is Exchange native mode. i haven't exchange 5.5. how to bypass it. Thanks Stone

Hello It should be the exchange native mode attribut was changed by some unexpected reason. Please check following KB. http://support.microsoft.com/?kbid=922259 1. Install the Microsoft Windows Server 2003 Support Tools. To do this, follow these steps: a. Insert the Windows Server 2003 CD into your computer's CD drive. b. Click Start, click Run, and then click Browse. c. Locate the following folder on the CD: CD_drive:\Support\Tools d. In the Files of type list, click All Files. e. Click Suptools.msi, click Open, and then click OK. f. Follow the directions in the Windows Support Tools Setup Wizard. 2. Start ADSIEdit. If you have not configured ADSIEdit, follow these steps: a. Click Start, click Run, type mmc in the Open box, and then click OK. b. On the File menu, click Add/Remove Snap-in. c. Click the Standalone tab, and then click Add. d. In the Snap-in list, click ADSIEdit, click Add, and then click Close. 3. Right-click ADSIEdit, and then click Connect to. 4. In the Connection Point area, click Select a well known Naming Context, and then click Configuration in the Select a well known Naming Context list. 5. In the Computer area, click Default (Domain or server that you logged in to), and then click OK. 6. In the left pane, expand ADSIEdit, expand Configuration, expand CN=Configuration, expand CN=Services, expand CN=Microsoft Exchange, expand CN=Your_Organization_Name, and then click CN=Administrative Groups. 7. Right-click the administrative group of which the affected computer that is running Exchange 2000 Server or Exchange Server 5.5 is a member, and then click Properties. 8. In the Attribute list, double-click msExchEncryptedPassword, click Clear, and then click OK. 9. In the Attribute list, double-click msExchLegacyAccount, click Clear, and then click OK. 10. In the Attribute list, double-click msExchLegacyDomain, click Clear, and then click OK. 11. In the Attribute list, double-click msExchAdminGroupMode, type 0 in the Value box, and then click OK two times.Note A value of 2 indicates that the administrative group is in mixed mode. A value of 0 indicates that the administrative group is pure Exchange 2000 Server. 12. Close ADSIEdit.