DOCUMENT:Q191909 23-APR-2000 [exchange] TITLE :XCLN: Error Msg: Unable to Download Offline Address Book PRODUCT :Microsoft Exchange PROD/VER:WINDOWS:4.0,5.0; :8.0,8.01,8.02 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Windows 95/98 client, versions 4.0, 5.0 - Microsoft Exchange Windows NT client, versions 4.0, 5.0 - Microsoft Outlook 97, versions 8.0, 8.01, 8.02 ------------------------------------------------------------------------------- SYMPTOMS ======== When you try to download the offline Address Book (OAB) by clicking the Tools menu, clicking Synchronize, and clicking Download Address Book in an Exchange or Outlook client, the following error messages may appear: An error occurred while opening the Microsoft Exchange offline address book files on the Microsoft Exchange Server. See your administrator. Followed by: Unable to download the offline Address Book. The Microsoft Exchange Address Book could not be accessed. CAUSE ===== The OAB may have been generated on the Exchange Server computer without using the "Microsoft Exchange 4.0 and 5.0 compatibility" option. WORKAROUND ========== This error only occurs on versions of Exchange 4.0 and 5.0 clients and Outlook versions prior to 8.03. Outlook versions 8.03 and 8.5 work successfully. To prevent this error from occurring, perform the following steps: 1. Open the Exchange Administrator program. 2. Click on the Configuration container in the left pane. 3. Double-click on the DS Site Configuration object in the right pane. 4. Click the Offline Address Book tab. 5. Select the "Microsoft Exchange 4.0 and 5.0 compatibility" check box, and then click Apply. 6. Click the Generate All button to regenerate the OAB. 7. On a client workstation, from the Tools menu, select Synchronize, and then select Download Address Book to get the new OAB. Additional query words: ====================================================================== Keywords : Technology : kbOutlookSearch kbExchangeSearch kbExchangeClientSearch kbZNotKeyword kbOutlook97 kbZNotKeyword2 kbOutlook97Search kbZNotKeyword3 kbOutlook801 kbOutlook802 kbExchange400NT kbExchange500NT kbExchange400Win95 kbExchange500Win95 Version : WINDOWS:4.0,5.0; :8.0,8.01,8.02 Issue type : kbprb ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2000.