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Web App Pools vs. Service App Pools in IIS

Posted By:      Posted Date: September 03, 2010    Points: 0   Category :SharePoint
What is the difference between a web application pool and a service application pool? And does the 10 app pool limit (MSFT supported limit) include just web application pools, or web app pools + service app pools? (I understand the reasons for the 10 limit.) If the 10 limit means web app pools + service app pools = 10 then we (us configurers) are severely restricted as to how many app pools we can create for the various service applications. Because, SP2010's 5 app pools out of the gate (http://www.harbar.net/archive/2009/12/04/more-on-sharepoint-2010-application-pools.aspx) + 2 for Intranet and My Site web apps = 7 before we even create our first service application. Thanks, jremmc

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Accounts used by application pools or service identities are in the local machine Administrators gro

ERROR: Using highly-privileged accounts as application pool or as service identities poses a security risk to the farm, and could allow malicious code to execute.  The following services are currently running as accounts in the machine Administrators group: SharePoint Central Administration v4 (Application Pool) SPTimerV4(Windows Service) there are 2 accounts associated with this install. 1. SQL ACCOUNT 2. SP Admin account(farm) the admin account has the following listed components    Farm components using this account      Microsoft SharePoint Foundation Application Pool: SharePoint - 80 SharePoint Server Search Web Analytics Data Processing Service Farm Account User Profile Synchronization Service Microsoft SharePoint Foundation Sandboxed Code Service Access Services Secure Store Service PowerPoint Service Application Word Viewing Service PerformancePoint Service Application Visio Graphics Service Managed Metadata Service Web Analytics Service Application Word Automation Services Excel Services Application Business Data Connectivity Service Search Administration Web Service for Search Service Application User Profile Service Application Search Service Application Application Discovery and Load Balancer Service Application Security Token Service Application   The farm account is not listed in the local machines admi

Editor's Note: Too Many Swimming Pools


This month Howard Dierking cautions against designing applications in a vacuum with no connection to reality.

Howard Dierking

MSDN Magazine March 2008

Application Pools when is it okay to share them when installing SharePoint 2010 in production


Hi, I read the MS stuff stating that running ten Application pools (not web apps) on a server is roughly about the maximum you should have running on a server (okay it alls depends on the amount of RAM and the actual box) but my question is as such, when installing SP 2010 and all the services, for instance for a client and they want the services configured whether they are going to use them or not. You could end up with over well over 10 application pools, so what services are okay to share an application pool and which should have have their own application pool. Is there some info out there on best practice remember i am asking this for production builds not test as I see that the Stand Alone SP2010 Wizard Installation runs all the services under the same application pool.

Some guidence or info would be appreciated. Thanks

Thread Pools: Scalable Multithreaded Programming with Thread Pools


Getting the most out of multicore systems means diving head-first into multithreaded programming. In this issue, Ron Fosner demonstrates some simple methods for adding parallel operation to your code, along with techniques for measuring how much you've improved execution.

Ron Fosner

MSDN Magazine October 2010

Windows Service Applications Tutorials

You can easily create services by creating an application that is installed as a service. For example, suppose you want to monitor performance counter data and react to threshold values. You could write a Windows Service application that listens to the performance counter data, deploy the application, and begin collecting and analyzing data.

WCF Tip: Using Properties in Service Contracts

you'll notice all of the Service Contracts are implemented with interfaces containing only methods. For the longest time I thought that's all that was supported, until I thought about it a little more. In C# land, properties are simply wrappers around a get method and set method, so why wouldn't we be able to use properties in a service contract? Well the answer is we can.

Realizing a Service-Oriented Architecture with .NET

This article is meant to be a practical discussion guide to building a .NET application in a service-oriented architecture. We will consider real-world goals, real-world obstacles, and experience-based solutions. I quickly concede the approaches discussed here are not exhaustive or infallible. This paper is focused on application development, not application integration. We will specifically consider architectural issues and component design issues.

The Potential of Web Services

Web Service for uploading documents into SharePoint

WS UploadService is a web service written for Microsoft Office SharePoint Server 2007 and Windows SharePoint Services 3.0 and is meant for uploading documents into SharePoint. I have just uploaded the zip file to GotDotNet.com so it will take some time before the zip file appears in the list of downloads. For the time being, you can download the zip file from the following location

Creating and Using an ASP.NET Web Service in Visual Web Developer

In addition to letting you create Web pages, Microsoft Visual Studio also lets you create Web services that use ASP.NET XML. Creating a Web service in Visual Studio is similar to creating a Web page. You can also use the Microsoft Visual Web Developer Web development tool to reference and use Web services that are in a Visual Web Developer solution, on your local computer or in a local or external UDDI directory. In this walkthrough, you will create the Web service in one solution and use it in another.

Tasks illustrated in this walkthrough include:

Creating a simple XML Web service in Visual Web Developer.

Creating a separate Web site that uses the Web service.

AutoGenerateSelectButton="False" ignored when using Domain Service


Crosspost from RIA Services forum: http://forums.silverlight.net/forums/t/196466.aspx

I'm creating a Dynamic Data application in VS2010 and have recently switched to using a Domain Service to give greater control over the data presented to the client. I've noticed that the AutoGenerate<Action>Button attributes on my GridView are being ignored. The presence of the Edit and Delete buttons appear to be contingent on the existence of Update and Delete methods on the partial classes autogenerated in the Domain Service, but i'm not seeing how to control the generation of the Select button. Is there a way to control this from within the Domain Service class?

Any framework for creating a job scheduler service?


Just curious to know if there was any official Microsoft code blocks, classes, or such for writing a service that runs other assemblies or WCF services?  That can be configured easily from a web page, pre-coded, for running tasks at certain times on certain recurring intervals?  I've already built one but am open to anything done better- which I'm sure there is.  Thanks!!!

Convert WCF service to self hosting application


 I created project as a  WCF Service application and now according to recuriment that needs to be converted as a self hosting application

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Converting WCF service app to Self hosting app?

WCF Data Service to JSON example? v4


I would like to take WCF Data Service and produce JSON output to consume on various mobile apps.

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Problem to obtain client IP on web service



I'm having problems to obtain the client IP on web service. Here's my scenario:

One server with Windows 2003, hosting the web service using .Net Framework 2.0, with IP and host name ServerTransaction.
Other server with Windows 2003, hosting a web application using .Net Framework 2.0, that consuming the web service on  ServerTransaction, with IP and host name ServerApplication.
Many other computers on the local network (IPs:,,, ...) acessing the web application on ServerApplication.

On the code of the web service I've tried to use HttpContext.Current.Request.UserHostAddress or HttpContext.Current.Request.ServerVariables("REMOTE_ADDR") or HttpContext.Current.Request.ServerVariables("HTTP_X_FORWARDED_FORR"), but always I can only get the IP of ServerApplication (

Any idea or tip?

Thanks and sorry for my bad english.

A lengthy operation in an ASP.NET web service


I've built an ASP.NET web service with .NET 2.0 (an asmx file). I invoke a web service method using Ajax. The method takes a substantial amount of time to execute (5 minutes to 1 hour). I believe it's not a good idea to "hang" the web request for so long.
I'm wondering if the web service method could spawn an additional process which in turn would execute the lengthy operation and notify the web service once the operation is completed.
Are there any good practices regarding this kind of functionality?


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