Windows network polling
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About Windows network polling
During a quick poll, the Administration Server only retrieves information from the list of the NetBIOS names of devices in all network domains and workgroups. During a full poll, the following information is requested from each client device:
- Operating system name
- IP address
- DNS name
- NetBIOS name
Both quick polls and full polls require the following:
- Ports UDP 137/138, TCP 139, UDP 445, TCP 445 must be available in the network.
- The Microsoft Computer Browser service must be used, and the primary browser computer must be enabled on the Administration Server.
- The Microsoft Computer Browser service must be used, and the primary browser computer must be enabled on the client devices:
- On at least one device, if the number of networked devices does not exceed 32.
- On at least one device for each 32 networked devices.
The full poll can run only if the quick poll has run at least once.
Viewing and modifying the settings for Windows network polling
To modify the settings for the Windows network polling:
- In the console tree, in the Device discovery folder, select the Domains subfolder.
You can proceed from the Unassigned devices folder to the Device discovery folder by clicking the Poll now button.
In the workspace of the Domains subfolder, the list of the devices is displayed.
- Click Poll now.
The domain properties window opens. If you want, modify the settings of Windows network polling:
- Enable Windows network polling
This option is selected by default. If you do not want to perform Windows network poll (for example, if you think that Active Directory polling is enough), you can unselect this option.
- Set quick polling schedule
The default period is 15 minutes.
During a quick poll, the Administration Server only retrieves information from the list of the NetBIOS names of devices in all network domains and workgroups.
The data received at the next polling completely replaces the old data.
The following polling schedule options are available:
- Every N days
The polling runs regularly, with the specified interval in days, starting from the specified date and time.
By default, the polling runs every day, starting from the current system date and time.
- Every N minutes
The polling runs regularly, with the specified interval in minutes, starting from the specified time.
By default, the polling runs every five minutes, starting from the current system time.
- By days of week
The polling runs regularly, on the specified days of week, and at the specified time.
By default, the polling runs every Friday at 6:00:00 PM.
- Every month on specified days of selected weeks
The polling runs regularly, on the specified days of each month, and at the specified time.
By default, no days of month are selected; the default start time is 6:00:00 PM.
- Run missed tasks
If the Administration Server is switched off or unavailable during the time for which the poll is scheduled, the Administration Server can either start the poll immediately after it is switched on, or wait for the next time for which the poll scheduled.
If this option is enabled, the Administration Server starts polling immediately after it is switched on.
If this option is disabled, the Administration Server waits for the next time for which the polling is scheduled.
By default, this option is enabled.
- Set full polling schedule
The default period is one hour. The data received at the next polling completely replaces the old data.
The following polling schedule options are available:
- Every N days
The polling runs regularly, with the specified interval in days, starting from the specified date and time.
By default, the polling runs every day, starting from the current system date and time.
- Every N minutes
The polling runs regularly, with the specified interval in minutes, starting from the specified time.
By default, the polling runs every five minutes, starting from the current system time.
- By days of week
The polling runs regularly, on the specified days of week, and at the specified time.
By default, the polling runs every Friday at 6:00:00 PM.
- Every month on specified days of selected weeks
The polling runs regularly, on the specified days of each month, and at the specified time.
By default, no days of month are selected; the default start time is 6:00:00 PM.
- Run missed tasks
If the Administration Server is switched off or unavailable during the time for which the poll is scheduled, the Administration Server can either start the poll immediately after it is switched on, or wait for the next time for which the poll scheduled.
If this option is enabled, the Administration Server starts polling immediately after it is switched on.
If this option is disabled, the Administration Server waits for the next time for which the polling is scheduled.
By default, this option is enabled.
If you want to perform the poll immediately, click Poll now. Both types of polls will start.
On the virtual Administration Server you can view and edit the polling settings of the Windows network in the properties window of the distribution point, in the Device discovery section.
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[Topic 3885]