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本文介绍了无法使用System.Management API或Power Shell从WMI类更新读/写属性的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 大家好， $ 我尝试从MDM_Policy_Result01_Connectivity02类更新属性，名为 AllowBluetooth根据文档应该是读取/写入，但是当我这样做时，我收到了ReadOnly属性错误。 这些新的WMI类在Windows 10上可用，并提供给了桥接设备的DM设置： https://msdn.microsoft.com/en-us/library/dn905224(v=vs.85 ）.aspx $ 首先，我试图通过使用来自a的System.Management命名空间来更新值常规桌面应用程序通过以下例程： $           ManagementScope范围=新的ManagementScope（"ROOT \\CIMV2 \\mdm \\dmmap"）;               String strWQL =" SELECT * FROM MDM_Policy_Result01_Connectivity02";               WqlObjectQuery query = new WqlObjectQuery（strWQL）;               ManagementObjectSearcher searcher = new ManagementObjectSearcher（scope，query，null）;               if（searcher.Get（）。Count> 0）               {                   foreach（searcher.Get（）中的ManagementObject实例）                   {                       foreach（PropertyData prop in instance.Properties）                       {                           MessageBox.Show（prop.Name +" =" + prop.Value）;                           if（prop.Name ==" AllowBluetooth"）                           {                               prop.Value = 0;                               PutOptions opt = new PutOptions（）;                               opt.Type = PutType.UpdateOnly;                               instance.Put（opt）;                               MessageBox.Show（" Property updated successfully !!"）;                           }¥b $ b                       }¥b $ b                   }¥b $ b               } 我还尝试使用PowerShell脚本： $ mdmClass = Get-WmiObject -namespace root\CIMV2 \mdm \dmmap-Class MDM_Policy_Result01_Connectivity02 -Filter" InstanceID ='Connectivity'AND ParentID = './Vendor/MSFT/Policy/Result'" $ 写主机"在更新前允许蓝牙=" $ mdmClass.AllowBluetooth $ putOpt = New-Object System.Management.PutOptions $ putOpt。 Type = [System.Management.PutType] :: UpdateOnly $ mdmClass.AllowBluetooth = 0 ＃$ mdmClass.Put（）不起作用 $ mdmClass.Put（$ putOpt） 写主机"AllowBluetooth =更新后" $ mdmClass.AllowBluetooth $ 对于这两种情况我无法更新属性，但PowerShell输出错误显示更详细的信息 有关正在发生的信息： " AllowBluetooth"是一个ReadOnly属性。 在C：\ Users \oliveira.SIDI \Documents\scripts\Untitled1.ps1：16 char：1 + $ mdmClass.AllowBluetooth = 0 + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~     + CategoryInfo       ：NotSpecified：（:) []，SetValueException   + FullyQualifiedErrorId：ReadOnlyWMIProperty 异常调用" Put"用"0"表示"0"。参数："对象或属性已存在" $ 在C：\ Users \oliveira.SIDI \ Documents \ _scripts \ Untitled1.ps1：20 char：1 + $ mdmClass.Put（） + ~~~~~~~~~~~~~~~~   + CategoryInfo       ：NotSpecified：（:) []，MethodInvocationException   + FullyQualifiedErrorId：DotNetMethodException $ 您是否知道为什么不能更改此属性？ ？ $ $ 您拥有的任何信息都会很棒！ Hi everyone, I trying to update a property from MDM_Policy_Result01_Connectivity02 class calledAllowBluetooth that according documentation it's supposed to be read/write but I'm getting ReadOnly property error when I do itThese new WMI classes are available on Windows 10 and are provided to be thebridge with DM settings from device:https://msdn.microsoft.com/en-us/library/dn905224(v=vs.85).aspxFirstly, I tried to update the value by using System.Management namespace froma regular Desktop application through the routine below: ManagementScope scope = new ManagementScope("ROOT\\CIMV2\\mdm\\dmmap"); String strWQL = "SELECT * FROM MDM_Policy_Result01_Connectivity02"; WqlObjectQuery query = new WqlObjectQuery(strWQL); ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query, null); if (searcher.Get().Count > 0) { foreach (ManagementObject instance in searcher.Get()) { foreach (PropertyData prop in instance.Properties) { MessageBox.Show(prop.Name + " = " + prop.Value); if (prop.Name == "AllowBluetooth") { prop.Value = 0; PutOptions opt = new PutOptions(); opt.Type = PutType.UpdateOnly; instance.Put(opt); MessageBox.Show("Property updated successfully!!"); } } } }And I also tried by using a PowerShell script:$mdmClass = Get-WmiObject -namespace root\CIMV2\mdm\dmmap -Class MDM_Policy_Result01_Connectivity02 -Filter "InstanceID='Connectivity' AND ParentID='./Vendor/MSFT/Policy/Result'"Write-Host "AllowBluetooth before update = " $mdmClass.AllowBluetooth$putOpt = New-Object System.Management.PutOptions$putOpt.Type = [System.Management.PutType]::UpdateOnly$mdmClass.AllowBluetooth = 0#$mdmClass.Put() does not work as well$mdmClass.Put($putOpt)Write-Host "AllowBluetooth = after update" $mdmClass.AllowBluetoothFor both cases I could not update the property, but PowerShell output error showed me more detailedinformation about was happening:"AllowBluetooth" is a ReadOnly property.At C:\Users\oliveira.SIDI\Documents\scripts\Untitled1.ps1:16 char:1+ $mdmClass.AllowBluetooth = 0+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], SetValueException + FullyQualifiedErrorId : ReadOnlyWMIPropertyException calling "Put" with "0" argument(s): "Object or property already exists "At C:\Users\oliveira.SIDI\Documents\scripts\Untitled1.ps1:20 char:1+ $mdmClass.Put()+ ~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : DotNetMethodExceptionDo you have any idea about why it's not possible to change this property? Any information you have would be great!推荐答案 根据文档， MDM_Policy_Result01_Connectivity02 是只读的： https://msdn.microsoft.com/en-us/library/windows/desktop/dn905253%28v=vs.85% 29.aspx 的。您可能需要 MDM_Policy_Config01_Connectivity02 。According to documentation, MDM_Policy_Result01_Connectivity02 is read-only:https://msdn.microsoft.com/en-us/library/windows/desktop/dn905253%28v=vs.85%29.aspx. You probably needMDM_Policy_Config01_Connectivity02. 这篇关于无法使用System.Management API或Power Shell从WMI类更新读/写属性的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 10-23 18:31