Make the following changes on all LDAP servers in the domain for which you want to configure auditing.
1. Log in as an administrator to a computer in the domain that you want to configure.
2. In the **Start** menu, type **regedit** to open the Registry Editor.
3. Add the following values on the Domain controller registry.
```programlisting
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Diagnostics]
"15 Field Engineering"=dword:00000005
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Parameters]
"Expensive Search Results Threshold"=dword:00000001
"Inefficient Search Results Threshold"=dword:00000001
"Search Time Threshold (msecs)"=dword:00000001
```