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Questions tagged [application-pools]

224 questions
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w3wp.exe hogs memory

On a Small Business Server 2011 installation a whole number of w3wp.exe processes appear to be using a disproportional lot of memory. The SBS out-of-the-box installations comes with a total of 7 sites and 20 ASP.NET application pools (Sharepoint,…
the-wabbit
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IIS 7.5, Multiple Application Pools, and URL Rewriting (403.18 -- Forbidden)

Is there any way to configure IIS 7.5 to perform URL rewrites to different application pools on the same site without running into a 403.18 error? We're using Helicon ISAPI Rewrite 3 on IIS 6 and it's working like a charm. The root-level…
Jerry Hewett
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CPU Limits for Application Pools in IIS 7.5

I see that in iis 7.5 I can set a CPU % utilization limit for a specified amount of time for an application pool. I can have also have it kill the worker process if this limit is violated. If tell it to do this, will the worker process…
Kyle Brandt
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Is running a nightly IISReset outdated?

In the past 2 weeks, our nightly IISReset has not come back up successfully and caused us an outage. We have a Windows Task that runs every night that executes an IISReset, and I'm wondering if this is even necessary anymore? Should I be looking…
Scottie
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PHP on IIS 7.5/W2K8 using IUSR Account not IIS_APPPOOL\DefaultAppPool

I am setting up a new web server and trying to use the new Application Pool Identities available in Windows Server 2008 R2 (as described here: http://learn.iis.net/page.aspx/624/application-pool-identities/) to secure the folder structure. However,…
voidstate
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Warming up an IIS Application Pool automatically?

So IIS likes to shut down app pools that aren't in use. While this makes sense, I would like to have certain app pools conterminously running, but I don't want to just disable the automatic app pool restart as some of the settings (e.g., maximum…
Michael Stum
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HTTP Error 503. The service is unavailable. On Windows 2008 with iisstart.htm

We're getting "HTTP Error 503. The service is unavailable.". Googling has provided lots of near hits, but none have worked so far. The flow is: - confirm all app pools started - open browser to http://localhost, get 503 error - app pool is now…
Alien Technology
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IIS7.5 Domain Account Application Pool Identity for SQL Server Authentication

In Windows Server 2003/IIS6 land we typically create an app pool that runs as the identity of an AD account created with minimal privileges simply for that purpose. This same domain user would also be granted access to SQL Server so that any ASP.NET…
user38652
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IIS 7.5 web application failing with NT Authority\Anonymous Logon

I am finding various google results, but none seem to fix my problem. I am setting up a new WINDOWS 2008 R2 box at work that is to communicate with an existing SQL 2012 box via web tools running in IIS 7.5 within our intranet. We are to use windows…
Dan Appleyard
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Is it bad if your Virtual Bytes count is high in an application pool in IIS?

Related to What does Virtual Bytes mean in Worker Processes pane in IIS7.5 Manager? I have a server running a few different sites. We're seeing some performance and memory issues. When I go to Worker Processes I see one of the sites with a Virtual…
mhenry1384
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Cannot find "IIS APPPOOL\{application pool name}" user account in Windows Server 2008

Normally when setting up IIS 7, I'm used to allowing permissions to user IIS APPPOOL\{application pool name} on the root folder of my web application(s). I also give permissions to IUSR (or the IIS_IUSRS user group. (Note, in Windows Server 2008,…
JustBeingHelpful
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Win2k8R2 / IIS 7.5 - users getting 503 response, no 503 error reported in logs

I've got 2 web servers with mirrored content. There's a load balancer sitting in front of them. Starting yesterday we've been getting people complaining about 503 errors. i can't find any 503 errors in the IIS log file. However the server host is…
merk
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IIS Identities: Application Pool vs Connect As in Basic Settings

In the Basic Settings section of a website in IIS 7.5, there is an option to specify a user account via Connect As.... If this is kept off, pass through authentication is used. I assumed that would use the identity of the Application Pool however…
Marcus
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IIS7 - email alert when an Application Pool stops?

I am using IIS7 for my web app, and for some reason, once in awhile the Application Pool crashes (stops). I would like to receive an email notification when this happens. Is this possible? If so, how? Or, should I be looking at a server monitoring…
pearcewg
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ASP.NET cache trimming aware of app pool memory limit?

I’m running a ASP.NET application on Win2003 32bit that tends to allocate a lot of memory. To avoid OutOfMemoryExceptions that start to appear when the W3P process exceeds 1 GB, I have set a maximum virtual memory limit of 850 MB for the this…
realMarkusSchmidt
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