List All Servers in SharePoint Farm - C#

Some times we need to login to all the servers in SharePoint farm just to restart selected Application or Site Pool. Let's see a C# code how to retrieve and recycle selected pools from all the servers in our SharePoint farm.

In this series will see How to retrieve all servers in SharePoint farm using C#

PS: Please check the NOTE at the very end on this post.

First things first import dll's

using System;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Administration;
using Microsoft.Web.Administration;

Declare global variables

    // Global enum Variables
    public enum Action { Start, Stop, Invalid };
    public enum PoolType { AppPool, SitePool };

    // Global Server variable
    public List<string> servers = null;

    // Global Pool's collection variables
    public List<ApplicationPool> appPoolCollection = null;
    public List<Site> siteCollection = null;

Get All SharePoint Farm server names

public void LoadFarmServers(string url, out string message)
{
    SPSecurity.RunWithElevatedPrivileges(delegate ()
    {
        try
        {
            using (SPSite oSite = new SPSite(url))
            {
                servers = new List<string>();
                foreach (SPServer serverInstance in oSite.WebApplication.Farm.Servers)
                {
                    try
                    {
                        // Get only WFE and App Server
                        if ((serverInstance.Role == SPServerRole.WebFrontEnd || serverInstance.Role == SPServerRole.Application))
                        {
                            servers.Add(serverInstance.Name);
                        }
                    }
                    catch (Exception ex)
                    {
                        message = ex.Message;
                    }
                }
            }
        }
        catch (Exception x)
        {
            message = x.Message;
        }

    });
}

🔔⏳🔶🔷 Note 🔷🔶⏳🔔

Have to host this solution as a website in IIS with the same Identity or Service Account used by SharePoint Application/Site Pools and host it in any one of the server in SharePoint farm

We will see how to Start/Stop/Recycle IIS Application Pool and SitePool in the next series.

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-Ratsub