DOCUMENT:Q178975 22-AUG-2001 [exchange] TITLE :XADM: Remove All Does Not Remove Setup Key in Registry PRODUCT :Microsoft Exchange PROD/VER::5.5 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange 2000 Server - Microsoft Exchange Server, version 5.5 ------------------------------------------------------------------------------- SYMPTOMS ======== When you run Microsoft Exchange Server setup and click Remove All, the following key may still exist in the registry: HKLM\Software\Microsoft\Exchange\Setup In Exchange 2000, if a previous installation was not successful, and when the Administrator re-attempted Exchange 2000 Setup, and opted to "remove all," remnants of the original installation still remain under the Exchange Setup key. The Exchange Server Setup Progress.log may display: [13:10:53] Prerequisites for Microsoft Exchange Instant Messaging Service failed: The component "Microsoft Exchange Messaging and collaboration Services" cannot be assigned the action "Install" because: - A server object for this server ("ServerName") already exists in the Administrative Group "AdminGroupName". You must either remove this server object before installing, or run setup with the "DisasterRecovery" switch if you are attempting to recover this server. STATUS ====== Microsoft has confirmed this to be a problem in the Microsoft products that are listed at the beginning of this article. Microsoft is researching this problem and will post more information here in the Microsoft Knowledge Base when it becomes available. MORE INFORMATION ================ In order to successfully reinstall Exchange 2000, it is necessary to manually delete all subkeys below (but not including) the Setup key. Additional query words: ====================================================================== Keywords : Technology : kbExchangeSearch kbExchange550 kbZNotKeyword2 kbExchange2000Search kbExchange2000Serv Version : :5.5 Solution Type : kbpending ============================================================================= 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 2001.