PowerShell - Scripting DNS with WMI
PowerShell - Scripting DNS with WMI
Our mission on this page is to install the Root\MicrosoftDNS namespace.
WMI and PowerShell Topics
Get-WmiObject
How to Install Root\MicrosoftDNS
CIM means Common Information Model, with WMI, mostly we connect to Root\Cimv2. However there are other CIM providers, for example Root\MicrosoftDNS.
The problem. If we enumerate the CIM namespaces, we see that MicrosoftDNS is not listed BEFORE our procedure below.
CLS
$RootName = get-wmiobject -namespace "root" -class __NAMESPACE `
| Sort-Object "Name"
Foreach ($Provider in $RootName) {
$Provider.name |Out-File -filePath provider.txt -append
|
Before |
After Procedure Below |
|
aspnet CIMV2 Cli DEFAULT directory Microsoft MicrosoftActiveDirectory MicrosoftIISv2 MicrosoftNLB MSAPPS11 MSAPPS12 MSCluster perfmon Policy RSOP SECURITY snmp subscription vm WMI |
aspnet CIMV2 Cli DEFAULT directory Microsoft MicrosoftActiveDirectory MicrosoftDNS MicrosoftIISv2 MicrosoftNLB MSAPPS11 MSAPPS12 MSCluster perfmon Policy RSOP SECURITY snmp subscription vm WMI |
Windows Server 2003 appears to have the necessary files, dnsschema.mof and dnsprov.dll, it's just they are not registered by default.
Agony and Ecstasy of dnsprov download
The agony would be if you went ahead and copied the files in dnsprov.zip. The problem is that these are Windows 2000 files and may not have a good effect on a Windows 2003 Server.
The ecstasy came when studying the readme file. This file showed me that the files I needed were, dnsschema.mof and dnsprov.dll. When I looked in the...\wbem folder I saw that the Windows Server 2003 version of the files were already there, thus all that I needed to do was to register them.
How To install the dns provider (You have to do this manually)
- Check that dnsschema.mof and dnsprov.dll are in %windir%\system32\wbem.
- This is how you register the class information from the Run box:
- Click on Start, in the Run box type:
"mofcomp dnsschema.mof" - This is how to register the .dll. At the run box copy and paste:
"regsvr32 dnsprov.dll"
Check the Properties for Root\MicrosoftDNS
Cls
$DNSRoot = get-wmiobject -namespace "root\MicrosoftDNS" -list
$DNSRoot
Note 1: You could substitute root\cimv2 for root\MicrosoftDNS
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Summary of reading files for PowerShell scripting
It is often useful to read hostnames from a text file, then persuade PowerShell to loop through a WMI class and finally, display the data in a table.
See more Microsoft PowerShell examples of WMI
• PowerShell Home • WMI • Service • WMI File • WMI Query • DNS • Disk
• Classes • Network Adapter • PowerShell WMI examples
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