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DNS Forwarder Check 1.0.3

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About This File

This monitor is designed to check the health of your DNS Server Forwarders.

Copy "DNSForwarderCheck.vbs" to your LTShare\Transfer\Monitors\ folder. Import the SQL file in Control Center -> Tools -> Import -> SQL File.

This will create a group monitor on the "Windows DNS Servers" group under "Service Plans\Windows Servers\Server Roles\Windows Servers Core Services". The monitor action will be "Default - Raise Alert".

Here are a couple of examples of Servers with underperforming DNS Forwarders.

DNSForwarderMonitor-1.png.2ed14b5aebd417a5427320d8ac2dc623.pngDNSForwarderMonitor-2.png.a7ea9a5efe0dad4d3b3f5a873de6ca84.png

Once you identify issues, use a tool like GRC DNS Benchmark to identify what your best server choices are. https://www.grc.com/dns/benchmark.htm


What's New in Version 1.0.3   See changelog

Released

Fixed trailing space in the command filename.


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I'm getting

C:\Windows\LTSvc\DNSForwarderCheck.vbs(1, 1) Microsoft VBScript compilation error: Invalid character

When I run this monitor.

Has anyone had success with it?

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That makes me think that the file was saved in the wrong format. I re-downloaded the .ZIP and opened the file in Notepad, and when I selected "Save As" the type was UTF8. I switched it to ANSI and saved a copy. The file was 1 byte shorter. I didn't try comparing again, I just went ahead and re-uploaded. Try downloading it again, or just open your copy in Notepad and save as "ANSI".

Note: Any agent that has already used this monitor will already have a copy of it, which must be deleted before it will be downloaded again. I have another solution that helps with this, comparing the agent copies of files in the Transfer\Monitors folder against the versions on the server and deleting any that are found to be a different size. This keeps remote agents current without you having to do a bunch of manual work anytime you change a remote monitor's file. See https://www.labtechgeek.com/topic/3243-solution-to-keep-exe-remote-monitors-up-to-date-with-the-server/

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