However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: How to back up and restore the registry in Windows. Double-click the new key that you created, type 1 in the Value data box, and then click OK.
If verbose logging isn't enabled, you'll still receive normal status messages such as "Applying your personal settings However, if verbose logging is enabled, you'll receive additional information, such as "RPCSS is starting" or "Waiting for machine group policies to finish You activate Preference debug logging through Group Policy.
You can individually enable each preference client-side extension. Logging and tracing entries provide you with a several configuration options including what type of data to write to the event logs Informational, Errors, Warnings, or all , enable trace logging and the location of the trace log file, and the size of the file.
You can configure the location of the trace files; however, keep in mind that file system permissions changed on Server and Windows Vista. Make sure permissions do not interfere with creating the log file. You'll notice the default location for all three log files is.
Preference client-side extensions recognize this variable and expand it according to operating system on which the client-side extension is installed. In addition to logging events in the Application Event log, Folder Redirection can provide a detailed log to aid troubleshooting.
To create a detailed log file for folder redirection, use the following registry key:. For Vista, and Windows 7 however, doing this simply adds more detailed info to the event log. Netlogon debug logging is useful in troubleshooting many issues. Some of those are mentioned below. If you're not on the computer that has the problem, save the easy fix solution to a flash drive or a CD, and then run it on the computer that has the problem.
To disable Netlogon logging:. The version of Netlogon. To enable debug logging, set the debug flag that you want by using Nltest.
To do this, follow these steps:. Note These steps apply to Windows Server and Windows Server only when the support tools are installed. Verify new writes to this log in order to determine whether a restart of the Netlogon service is necessary. In some circumstances, you may have to perform an authentication against the system in order to obtain a new entry in the log to verify that logging is enabled.
Verify that no new information is being written to this log in order to determine whether a restart of the Netlogon service is necessary. Alternative methods to enable Netlogon logging:. In all versions of Windows, you can use the registry method that's provided in the "For Windows NT, Windows Server without the support tools , and Windows Server without the support tools " section.
On computers that are running Windows Server and later versions of the operating system, you can also use the following policy setting to enable verbose Netlogon logging value is set in bytes :. This Group Policy setting is specified in bytes. The Group Policy method can be used to enable Netlogon logging on a larger number of systems more efficiently.
We do not recommend that you enable Netlogon logging in policies that apply to all systems such as the Default Domain Policy. Instead, consider narrowing the scope to systems that may be causing problems by doing either of the following:. Create a new policy by using this Group Policy setting, and then provide the Read and Apply Group Policy rights to a group that contains only the required computer accounts.
These steps also apply to Windows NT Workstation, Windows Professional without the support tools , Windows XP without the support tools , and all newer versions of Windows that are already covered in the preceding steps. In order to enable logging on Windows NT and Windows pre-service pack , you may have to obtain a checked build of Netlogon.
To enable Netlogon logging:. Verify the new writes to this log in order to determine whether a restart of the Netlogon service is necessary. It's typically not necessary to stop and restart the Netlogon service for Windows Server , Windows XP, or later versions of the operating system to disable Netlogon logging.
Setting the maximum log file size for Netlogon logs:. By default, this registry entry does not exist, and the default maximum size of the Netlogon.
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