Questions tagged [application-pools]

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89 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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1answer
27 views

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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107 views

IIS application pool unavailable during AD reboot

See update below I'm sure this has been asked many times before, on many (many, many) forums. I can't wrap my head around why there isn't a definitive answer. Please do request additional information ...
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16 views

Application Pool Goes Down Very Often and Needs Recycling

I have a C# ASP.NET MVC application (MVC V.4 & .NET Framework 4.5) running on a Windows Server 2008 R2 S.P.1 Datacenter as an application pool and in the last month has started going down every 3 ...
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47 views

IIS application pool change .net framework

I have Windows Server 2008 R2 that is running a few website with the app pool have been set to .net framework version 4 and been running for months without a problem but today I check one of the site ...
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88 views

How can IIS Application Pool that is using a custom identity still access the file system with the managed application pool identity?

I'm sure there is a logical explanation to this anomaly, but I'm interested in what it is. Here is the setup: Create a TEST folder on a local drive (C:\TEST) Configure a new IIS Site and Application ...
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15 views

Control source IP used by ASP.Net application pool or site when connecting to remote services

Using Windows Server 2016 with multiple IP addresses configured on the same NIC. I have an ASP.Net web application that connects (using built-in .Net classes) to an external web service. I would ...
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1answer
604 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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1answer
1k views

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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1answer
446 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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400 views

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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312 views

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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1k views

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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2answers
365 views

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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1answer
382 views

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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365 views

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 ...
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494 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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583 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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1answer
4k 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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1answer
1k 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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1answer
850 views

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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1answer
3k views

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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0answers
30 views

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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1answer
239 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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0answers
917 views

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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1answer
919 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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1answer
764 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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1answer
73 views

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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1answer
70 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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1answer
160 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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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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1answer
3k views

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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420 views

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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1answer
716 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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3answers
5k 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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1answer
224 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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1answer
6k 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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1answer
4k 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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130 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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2answers
10k views

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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157 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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1answer
1k 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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1answer
2k views

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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1answer
638 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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1answer
7k views

ApplicationPoolIdentity Environment variables IIS

Is it possible to set Environment Variables for ApplicationPoolIdentity virtual accounts? The documentation on this is practically-non existent. I would like to inject an Environment Variable for ...
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1answer
1k views

Are Application Pools Generally Larger In IIS 8.5 vs IIS 7.5?

We recently moved our websites from IIS 7.5 to IIS 8.5. We did not change any of the code in the websites The app pools are identical in configuration We are running ~70 sites on this ...
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2answers
3k views

Why IUSR does not have any permission on wwwroot

I'm trying to understand IIS 8.5 user account model. IUSR: default anonymous user (can be changed). it is the identity which request the web resource ApplicationPoolIdentity: a special identity used ...
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1answer
164 views

App-pools (w3p.exe's) seem to hang after file update or configuration change

I have the following problem: After an file update or a configuration change to one of the sites running on the iis server i need to kill all w3p.exe's running on that server in order to let the ...
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1answer
2k views

IIS Stopping/Starting Application Pool

My application pool seems to be in the "stop-pending" state and doesn't react on anything. Neither in the UI nor in the CLI. Is there an option to force the application pool to stop or mock the stop-...
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2answers
8k views

App pool stopping and not logging any error

We're having an issue in IIS on Windows Server 2012 R2 Core. Our IIS site has its own app pool which is set to run under the application pool identity. Almost immediately after startup when first ...

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