DOCUMENT:Q166613 05-MAY-1999 [exchange] TITLE :XCLN: Mac Client Can't Log On If NT Account Has Extended Chars PRODUCT :Microsoft Exchange PROD/VER:1.00 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Macintosh client, versions 4.0, 5.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When attempting to log on to a Microsoft Exchange Server mailbox from a Microsoft Exchange for Macintosh client, you may receive the following error message: The logon credentials supplied were incorrect. Make sure your username and domain are correct, then type your password again. CAUSE ===== This error may occur if the Windows NT user account specified contains extended characters that are not mapped correctly from the Macintosh character set to the Windows ANSI character set. WORKAROUND ========== When creating Windows NT user accounts, avoid using extended characters (for example, A-umlaut or E-umlaut) in the user name. NOTE: An umlaut appears as two dots placed above a vowel. STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Exchange for the Macintosh, versions 4.0 and 5.0. This problem was corrected in the latest Microsoft Exchange Server 5.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces): S E R V P A C K MORE INFORMATION ================ This behavior may be seen when using foreign languages that have extended characters in their alphabet. Additional query words: Swedish sp1 codepage logon ====================================================================== Keywords : Technology : kbHWMAC kbOSMAC kbExchangeSearch kbExchangeClientSearch kbExchange500Mac kbExchange400Mac Version : 1.00 Issue type : kbbug ============================================================================= 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 1999.