Exchange Directory Service will not start

When I try and start the ms exchange directory service I get the following message
"Could not start the Microsoft Exchange Directory service on the local computer"
with no error generated.

When I look in the event viewer
Event Id 1166
Error -550 Internal Id 203017c

Help gratefully accepted!
William SmythAsked:
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Pete LongTechnical ConsultantCommented:
Hi wsmyth,
RESOLUTION
To resolve this behavior, change the paths for the directory logs and databases if the paths are incorrect. If this does not resolve the behavior, restore the directory from tape backup.


On the server properties page dialog box, click the Database Paths tab and verify that the paths for directory logs and databases are correct.
If the paths for logs and databases are incorrect, run Performance Optimizer (Perfwiz.exe) to change to the recommended paths:
To start Performance Optimizer, click Start on the taskbar, point to Programs, point to Microsoft Exchange, and then click Microsoft Exchange Optimizer.
The initial page of Performance Optimizer indicates that it stops all Exchange Server services. To accept, click Next. If you do not want Performance Optimizer to stop the Exchange Server services, click Cancel to quit Performance Optimizer.
Follow the directions provided by Performance Optimizer until you reach the page that lists the data placement options. Accept the suggested changes by clicking Next, or manually enter the paths and then click Next.
Confirm that the Move Files Automatically check box is selected by default, and then click Next. If you do not want Performance Optimizer to move your files at this time, click to clear the check box, and then click Next.
Continue to click Next until you complete the program, and then click Finish to restart all Exchange Server services. If you select the Do not restart these services check box, Performance Optimizer will not restart any Exchange Server services.
If the directory service does not start, restore the directory from a tape backup. If you do not have a valid backup or a copy of the original Dir.edb file, you must perform full disaster recovery by removing and reinstalling Microsoft Exchange Server.

PeteL
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Pete LongTechnical ConsultantCommented:
Above from http://support.microsoft.com/default.aspx?scid=kb;en-us;253309
XADM: Directory Service Stops with Event IDs 1166 and 1002 and Internal Error -1811

PL
0
Pete LongTechnical ConsultantCommented:
ThanQ
0
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Windows 2000

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