Browser Announcement Time Configuration

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To change how often a browser announces itself, add a registry entry called Announce with a value that has the REG_DWORD data type. Set the value of the Announce entry to the number of seconds that the browser should wait between announcements. Add Announce to the following registry subkey:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services \lanmanserver\parameters

For example, if the value of the Announce entry is set to 720 by default, the announcement interval is 12 minutes.

The value of the Announce entry must be changed on all computers in the workgroup or domain before the new value can be used by all computers. As you decrease this value, announcement traffic increases. Increasing the value of Announce reduces the amount of announcement traffic, but it increases the length of time that an unavailable computer appears on the browse list.