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Questions tagged [application-pools]

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Windows authentication (AD) not working when IIS Application pool is running as custom user

I'm using: Windows 10 x64 Professional (in ad domain) IIS 10 Web site is running under local user EPM_USER, everything works except Windows authentication Configuration: When I try to from another ...
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  • 111
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Events ID 2297 and 2307 in IIS (IIS-W3SVC-WP)

For a couple of weeks, some applications in IIS have stopped responding, when trying to access the site, the app return the error: On Windows Event Log, I found 2 events in the Application Log: 2297 ...
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Why is ECS triggering an immediate in-process application recycle?

I have an ASP.NET web app (.NET Framework 4.7.2.) deployed to AWS/ECS and we noticed Application_Start was running not once, not twice, but three times! Maybe others are facing this problem. We ...
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Application Pool set to AlwaysRunning does not Auto Start The Hosted Service

I have configured an pool to auto-start and never sleep. I am having problems with the auto-start. My understanding is that a thread pool worker will be started after a recycle when that happens I ...
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How can I find out what triggered an app pool recycle inside a docker container that just started?

In AWS, a Task is placed on an EC2 instance, and an ASP.NET WebAPI 2 app is started in a docker container. The root site is empty, and the "/myapp" subdirectory contains the running web app. ...
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IIS 8.5 and 10, max value that can be set for IIS Requests/Recycle?

Per DISA we're required to set the recycling option for requests. I can't seem to track down what the max value for this should be or when the counter gets restarted? If app pools are configured to ...
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3 votes
2 answers
2k views

How can I get the list of app pool using appcmd.exe

we using the below command to get the list of the site added in is: %systemroot%\system32\inetsrv\AppCmd.exe list sites but the above command can not take a list of app pools related to the site. I ...
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2 answers
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How to get an email alert if IIS App pool stops/crashes?

I'm seeing a lot of PowerShell scripts out there which checks the status of the IIS App Pools in a server, and sends an email if it is in a Stopped state. Although the script is useful, it would need ...
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2 answers
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IIS 10 Application Pool Memory Management

I have a requirement to configure several settings in my IIS application pools away from their defaults, but I am not finding great guidance nor am I having much luck with trial-and-error ...
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User Rights Assignment for IIS APPPOOL

I need to deploy an IIS based web application in an environment that uses Group Policy to apply standard user rights assignment for all computers in the Active Directory domain. When the application ...
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2 answers
637 views

Windows Virtual Desktop in Azure - Including a Persistent Mapped Drive to Application

I have set up Windows Virtual Desktop within Azure. Currently I am able to configure the application I have published to use FSLogix to apply a mapping to a VHD file on an Azure share which is great, ...
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544 views

will a shutdown of a worker process for pool a affect pool b

I have two pools running on the same server. I noticed one of them is configured to a 20 min idle timeout, and the other is 180 mins. I can see this message in event viewer: "A worker process with ...
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1 answer
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Do I need to reset IIS after sharing WebApp folder on the web server?

I've recently installed new web application software onto a new server (Win 2016, IIS 10.0). When I access the webpage not all the items load up and I get http 401.2 errors on those items that failed ...
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1 answer
2k views

On app pool recycle user sessions are lost if application pool identity is set to 'custom account' but not when it is set to ApplicationPoolIdentity

On IIS 8.5 we have an web application running with application pool's identity set to ApplicationPoolIdentity. When we switch to Custom account instead of the ApplicationPoolIdentity then web ...
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1 answer
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IIS Application Pool taking too much memory

We have IIS running on two servers (IIS8 and 10), and encounter very high memory usage of our ASP.NET WebForms Applications lately, mostly accessed through aspx pages. What happens is that over time, ...
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2 votes
1 answer
4k views

Logging when ApplicationPool is started/stopped via Powershell

I use a Powershell script to, among other things, start and stop an IIS Application Pool via the following commands: Stop-WebAppPool -Name $appPoolName; Stop-WebAppPool -Name $appPoolName; Is there ...
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IIS_IUSRS permission vs ApplicationPoolIdentity

I was looking for the difference in permissions when: - App pool is running with ApplicationPoolIdentity - App pool's identity is set as a local system user account which belongs to IIS_IUSRS group ...
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IIS 8.5 - What is the criteria used by IIS to launch the worker processes?

We have a certain application running in IIS 8.5 implemented as a "web garden", with say, Max Worker Processes = 10. The reason for this is long-running requests, DB and network/async intensive, to ...
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1 vote
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Why Do the Built-In IIS AppPool Accounts Not Need Batch Logon Rights to Run?

I can't seem to wrap my head around this one. The IIS docs (and countless forum posts) are quite clear about the rights needed to run an IIS app pool, which include batch logon rights (Log on as a ...
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Application isolation issue on IIS 10 (Windows 2016 Server)

I'm setting up a new machine for hosting multiple asp.net applications. My goal is to isolate the apps as strongly as possible. In case one of the apps is hacked, all other apps should be safe. I ...
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How To Monitor IIS App Pool Password Changes

I have run into an issue where a single sites App Pool Identity password is being randomly changed to the password of a different App Pool Identity. The App pool ID username does not change just the ...
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IIS App Pool Crashes with AppPoolIdentity identity, not with NetworkService

OS: Windows Server 2008 R2 IIS: 7.5 No Managed Code I am trying to nail down the issue here. I am not sure if it was precipitated by some change from a group policy (I don't have any control over ...
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949 views

IIS 7 Application Pool Crash how to debug

We have several websites configured on our windows server 2012 and we noticed that one site seems crashing intermittently and the only way to get back this online is to restart that particular site ...
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1 vote
0 answers
727 views

Microsoft Monitoring Agent APM service is inaccessible. Please check that it is not in a disabled state

We encountered an issue where the agent (referred to as the Microsoft Monitoring Agent) in the IIS server - however,the IIS Application Pools began to cause high CPU usage the application server ...
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2 votes
2 answers
8k views

IIS NTFS Permissions are not working correctly

I'm trying to make my IIS server more secure and have locked down individual application folders so that only the relevant AppPool can access them. The AppPools have been given Read access but I have ...
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1 answer
2k views

Application pool recycling takes high time

We have problem with Application pool recycling process. We have our production site with hosted in IIS version 10. We have used separate application pool for our production site. This application ...
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change default app pool identity for new sites

As we know, by default when you create a new site on IIS8.5, it creates a matching app pool and this is run under the identity ApplicationPoolIdentity. We can go into the advanced settings of the app ...
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Error with IIS 7: Application pool has been automatically disabled

I have a web application running on Windows 2008 R2 Service Pack 1. From time to time ApplicationPool becomes disabled and I have to restart it manually. The time between crash and restart is critical....
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2 votes
0 answers
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Modernising a traditional windows app environment [closed]

We're a Windows shop with 3-400 applications in our environment in a standard server/client configuration. We have 600+ Windows servers from 2003 to 2012, predominantly virtual with some physicals ...
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1 vote
1 answer
322 views

Unexpected recycles of IIS.Net Application Pool

Since June 19 we are experiencing unexplained and undesired recycles of Application Pool worker processes. The Application Pool has a scheduled 3am recycle. But since June 19th we are experiencing ...
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2 votes
0 answers
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IIS 8.5 on Win 2012 R2: Changes for Application Pool identity does not reflect?

Running Win 2012 R2 and IIS 8.5. When setting a custom identity to run a specific app pool (lets call it "App Pool 1") I get IMHO a really weird behavior. When I click on App Pool 1 and then "Set ...
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2 votes
1 answer
1k views

Why does assigning read and execute permissions to IIS_IUSRS grant access to NETWORK SERVICE?

I have a Classic ASP site I'm trying to set up with Anonymous Authentication. Below is my current setup: App pool Identity: NetworkService Anonymous Authentication User: IUSR Assigning read and ...
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3 votes
1 answer
1k views

What is the effect of stopping an AppPool on currently executing requests?

It is my understanding that asking an AppPool in IIS to recycle will give currently active requests 90 seconds to complete before they are abnormally terminated by the recycle request, while no longer ...
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  • 133
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WS 2008 R2 get process by id

I have received the following message in the event viewer: A worker process with process id of '10088' serving application pool 'mypoolapp' has requested a recycle because the worker process ...
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1 answer
153 views

Should a user profile be generated prior to use it as IIS Application Pool identity?

When using a custom profile as identity for an IIS (7.5, 8.0) Application Pool - is one supposed to login with this account on the related server in order to create a user profile beforehand?
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1 answer
207 views

IIS stops sub-domain's application pool?

I have a website with one sub-domain like this: my domain name is "a.com" and sub-domain name is "api.a.com". I published a service in sub-domain. It works fine on Get requests. but before getting ...
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3 votes
0 answers
2k views

How to properly set up IIS 8 application pool memory limit without triggerring often recycles?

I am trying to put a limit to the memory used by an application pool within IIS 8.5. My problem is that if I put a limit that looks significantly greater than the typical memory usage, it is recycle ...
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1 vote
1 answer
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Does installing .NET Framework 4.6.2 on a server resets IIS running application pools?

On our production data center we have IIS Pools running on ASP.NET 2.0. We need to install new WebApps on these servers but they use .NET Framework 4.6.2. We can not stop our IIS Pools, and yet we ...
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1 vote
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IIS slow in loading Report Viewer

We are running IIS & SSRS on the same production server and have two types of reports - one running through Report Viewer, connecting to SSRS (remote mode) and the other calling the SSRS web ...
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2 votes
1 answer
1k views

How to find out why IIS application pool is recycling due to application pool property changes

My application pool is recycling when I don't want it to be (note I've already disabled the time-based & inactivity-based recycling). I see in the event log a 5080 event: The worker ...
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2 votes
3 answers
8k views

Why is IIS allowing only 3 connections at the time?

I have installed IIS (Version 10.0.10.586.0) on Windows 10, I am trying to do some stress tests locally with jmeter creating a lot of get requests simultaneusly but jmeter is being allowed to do only ...
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  • 133
0 votes
1 answer
367 views

IIS website cannot run because of Application Pool user permissions

I'm having the following issue when trying to user an AD group account instead of ApplicationPoolIdentity. When I use ApplicationPoolIdentity everything works fine, but when I use the AD account I get ...
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2 votes
1 answer
9k views

Configuring IIS to use multiple application pools for a single website

I have a web application/website running on IIS 7.5 and higher that I am trying to configure to use multiple application pools to segregate functions for security and performance purposes. The problem ...
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3 votes
1 answer
5k views

IIS_IUSRS Can Access a File, but Application Pool Identity User Cannot

I am trying to understand IIS file permissions. A given file has "full control" permissions for IIS_IUSRS. But it seems all Application Pool Identity users cannot access the file. (I have noticed ...
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1 vote
0 answers
143 views

IIS CPU Limit not taking effect on Azure VM

we've got some old legacy web apps that we host on an azure VM. In some circumstances they get stuck in a situation that spins the W3WP process into 99%> and causes grief for the server. They're not ...
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2 answers
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Where in the event log is the IIS AppPool recycling events being recorded?

I turned on all the options for IIS AppPool recycling logging and recycled the app pool a few times and I am not seeing the events in the event log. I refreshed a few sections in the event log. Where ...
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1 vote
0 answers
202 views

Stopping IIS Application Pool: are in-flight requests drained?

Is there any official documentation on what happens with in-flight requests when an IIS Application Pool is stopped (either from withing the UI or programmatically)? I suspect that an AppPool is "...
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2 votes
1 answer
2k views

Will changing recycle times cause app pool to reset?

We have an app pool that is currently set to recycle at 1:30am and 5:30am. I would like to remove the 5:30am entry so that it only recycles once a day. Will this update cause the application pool to ...
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1 answer
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Application Pool failling with client_reset errors in httperr followed by 503 2 Disabled errors

On our server running Server 2008 R2 using IIS 7.5 we have one of our sites that stops responding to requests and eventually produces 503 errors. The site is also running Coldfusion 10. These failures ...
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0 votes
1 answer
885 views

UnauthorizedAccessException in ASP.NET application after changing application pool identity

I have a SharePoint (MOSS 2007) instance running on Windows Server 2003 and IIS 6. In IIS, I have set up an ASP.NET application via a virtual directory under the SharePoint website. SharePoint is ...
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