Now, I want to do the same thing, but this time, using PowerShell. We can easily achieve this with the help of PowerShell and typing a few simple commands.

Before we begin with DHCP installation process, first we need to make sure that it’s not installed in our Server 2016. We can verify this in two ways., which are given below.

• Using Server Manager.
• Using PowerShell.

As you can see below, I opened my Server Manager to check (Left side , under Dashboard), if DHCP is already installed, as we can see in the screenshot given below, DHCP Server roles are not installed yet.

Server Manager
Let’s verify this, using PowerShell. All you need to do is, just open your PowerShell and type the command given below.

Get-WindowsFeature

You can notice in the screenshot given above, install Sate for DHCP says “Available”, which means that it’s available for the installation and it’s not installed yet. Thus, we can continue with our installation process..

To install this DHCP server role using PowerShell, we need to use the command given below.

Install-WindowsFeature -Name ‘DHCP’
After installing this DHCP Server role, type the commands given below to install DHCP Management Tools.

We have successfully installed DHCP Server role and all the required tools to manage it. We can verify this in two ways. We can go back to Server Manager to see, if there is a DHCP Server role, the other way is suing PowerShell…Let’s first verify this, using Server Manager.

Go to —> Server Manager and check for DHCP under Roles and Server Groups (See the screenshot given below.)

We can also verify this using PowerShell, using the command given below.
Get-WindowsFeature.

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A customer was getting errror when utilizing PUT/POST/DELETE verbs on their web application as of late. The error looks like this:
<h2>405 - HTTP verb used to access this page is not allowed.</h2>
<h3>The page you are looking for cannot be displayed because an invalid method (HTTP verb) was used to attempt access</h3>

After some troubleshooting the error was disengaged to the way that WebDav was installed on the server and was catching those requests for its own service use.

Instead of removing Webdav from the server, we made a go at searching for an alternate solution. Thankfully somebody on Twitter comprehended the issue and gave an illustration of changes to make to the customer's web.config record with a specific end goal to disable (remove) the Webdav module for simply that particular webpage without requiring any requiring managerial activities on the server.

The code updates to make to your web.config record to intention this error are:
<configuration>
  <system.webServer>
    <handlers>
      <remove name="WebDAV" />
      <remove name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" />
      <remove name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" />
      <remove name="ExtensionlessUrlHandler-Integrated-4.0" />
      <add name="ExtensionlessUrlHandler-ISAPI-4.0_32bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness32" responseBufferLimit="0" />
      <add name="ExtensionlessUrlHandler-ISAPI-4.0_64bit" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" modules="IsapiModule" scriptProcessor="%windir%\Microsoft.NET\Framework64\v4.0.30319\aspnet_isapi.dll" preCondition="classicMode,runtimeVersionv4.0,bitness64" responseBufferLimit="0" />
      <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="GET,HEAD,POST,DEBUG,PUT,DELETE,PATCH,OPTIONS" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
    </handlers>
    <modules>
      <remove name="WebDAVModule" />
    </modules>
  </system.webServer>
</configuration>

HostForLIFE.eu IIS 8.0 Hosting
HostForLIFE.eu is European Windows Hosting Provider which focuses on Windows Platform only. We deliver on-demand hosting solutions including Shared hosting, Reseller Hosting, Cloud Hosting, Dedicated Servers, and IT as a Service for companies of all sizes. We have customers from around the globe, spread across every continent. We serve the hosting needs of the business and professional, government and nonprofit, entertainment and personal use market segments.

I was working on a web application, and suddenly the application stopped running on the browser and I got this error message,

“Unable to connect to the configured development Web server. Failed to register URL http://localhost :57660/ for site “sandbox” application “/”. Error description: Access is denied. (0x80070005)”

I tried many things like restarting Visual Studio and running Visual Studio as administrator but nothing worked. Finally, after spending a few hours on it I got the solution, so here I am sharing the solution.

Open windows registry and browse parameters in HTTP where you can see what URLs are allowed to be bound to services without admin privileges. The parameter is called ListenOnlyList and it needs to be set to the address that exists on your machine.

You need to configure this parameter by running the following in the administrative command prompt:

 
Once IP address is successfully added, you can see ListenOnlyList added in the registry with correct value.

Now run your web application again. I hope that will resolve your problem.

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