"Could not start the Microsoft Exchange Conferencing service on Local Computer" error message when you try to start Exchange 2000 Conferencing Server (887354)

RESOLUTION

Method 1: Remove Exchange 2000 Conferencing Server, and then reinstall it in a different site

1. Remove Exchange 2000 Conferencing Server.
   1. Click Start, point to Settings, click Control Panel, and then double-click Add/Remove Programs.
   2. In the list of installed programs, click Microsoft Exchange 2000 Conferencing Server, and then click Change.
   3. Click Next, click Remove, click Next, and then click Remove. Click Finish when the removal of the program is completed.
      
      Note If the program is still listed in the Add/Remove Programs dialog box, press F5 to update the display.
   4. Restart the computer.
2. Install Exchange Conferencing Server into the Windows site that you want.
   1. Insert the Exchange 2000 Conferencing Server CD into your CD drive.
   2. On the Welcome to the Installation Wizard for Microsoft Exchange 2000 Conferencing Server page, click Next.
   3. On the License Agreement page, read the license agreement. If you agree to the terms, click I accept the terms of the license agreement, and then click Next.
   4. On the Product Identification page, type the 25-digit CD key that is located on a sticker on the back of the product CD, and then click Next.
   5. On the Setup Type page, click Custom, and then click Next.
   6. On the Custom Setup page, click the icon of each component, and then select your installation preferences.
   7. Click Change if you want to change the installation location.
      
      Note For information about available drives and about their corresponding disk space, click Space.
   8. On the Administrative Group page, click Next to install to this administrative group. Or, select another administrative group from the list, and then click Next.
      
      Note The administrative group is selected for you if Conference Management Service is already installed on the site, or if there is only one administrative group in your Exchange organization. When Conference Management Service is installed in an administrative group, subsequent instances of Conference Management Service are installed in the same administrative group.
   9. On the Ready to Install the Program page, click Install.
   10. Restart the computer.

Method 2: Change the value of the msExchConference property and of the msExchControllingZone property in the Active Directory schema

1. Log on to a computer in the domain that has the Windows Support Tools installed.
   
   For additional information about how to install Microsoft Windows 2000 Support Tools, click the following article number to view the article in the Microsoft Knowledge Base:

   301423 How to install the Windows 2000 Support Tools to a Windows 2000 Server-based computer

2. Click Start, click Run, type adsiedit.msc, and then press ENTER. By default, the Active Directory Service Interfaces (ADSI) Edit utility connects to the directory of the domain where you are currently logged on.
3. In the console tree, expand Configuration Container, expand CN=Configuration, expand CN=Services, expand CN=Microsoft Exchange, expand CN=Your_ Organization_Name, expand CN=Administrative Groups, expand CN=Your_Administrative_Group, expand CN=Servers, expand CN=Your_Server_Name, and then click CN= Exchange Conferencing.
4. Right-click CN= Exchange Conferencing, and then click Properties.
5. In Select a property to view, click msExchConferenceZone.
   
   In the Value(s) box, you will see a text string that is similar to the following:

   CN=Your_Old _Site,CN=Sites;CN=Configuration;DC=Your_Domain _Name;DC=Your_Root_Domain

   Important Do not follow the next step (step 6) if the words "not set" are displayed in the Value(s) box. If the value is not set, quit the ADSI Edit tool, and then follow the steps in method 1.
6. In the Edit Attribute box, type the text that is displayed in the Value(s) box, but replace Your_Old_Site with the name of your new site.
   
   For example, suppose the initial text in the Value(s) box were the following:

   CN=Your_Old_Site,CN=Sites,CN=Configuration,DC=Your_Domain _Name,DC=Your_Root_Domain

   You would type the following text in the Edit Attribute box:

   CN=Your_New_Site,CN=Sites,CN=Configuration,DC=Your_Domain _Name,DC=Your_Root_Domain

7. Click Set, and then click OK.
8. Expand Domain NC [Your_FQDN], expand Microsoft Exchange System Objects, and then click Conferencing.
9. Right-click Conferencing, and then click Properties.
10. In Select a property to view, click msExchControllingZone.
    
    In the Value(s) box, you will see a text string that is similar to the following:

    CN=Your_Old _Site,CN=Sites,CN=Configuration,DC=Your_Domain _Name,DC=Your_Root_Domain

    Important Do not follow the next step (step 11) if the words "not set" are displayed in the Value(s) box. If the value is not set, quit the ADSI Edit tool, and then follow the steps in method 1.
11. In the Edit Attribute box, type the text that is displayed in the Value(s) box, but replace Your_Old_Site with the name of your new site.
    
    For example, suppose that the initial text in the Value(s) box were the following:

    CN=Your_Old_Site,CN=Sites;CN=Configuration;DC=Your_Domain _Name;DC=Your_Root_Domain

    You would type the following in the Edit Attribute box:

    CN=Your_New_Site,CN=Sites,CN=Configuration,DC=Your_Domain _Name,DC=Your_Root_Domain

12. Click Set, and then click OK.
13. Restart the computer.