Configuration :: Why Does App Pool Have To Enable 32-Bit Application

Apr 15, 2010

I am asking this out of curiosity. I got the following error when this is not enabledAn attempt was made to load a program with an incorrect formatThis is related to loading a class library but this particular class library is compiled for any CPU with VS2010 64 bit running on Win7 64-bit

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Enable Application Pool 32-bit Mode On 64-bit Server?

Mar 7, 2011

We have 64-bit Windows server and we need to explicitly enable the 32-bit mode in the Application Pool used by our web site, because the MS Jet Engine Data Provider used to import data from Excel does not run.

I am not sure, if we enable the 32-bit mode will we still get the advantage of 64-bit Server?

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Security :: Enable Anonymous In IIS Under Windows 2003, Will Execute Code Under IUSR_XXX Or Account Of Application Pool?

Mar 16, 2011

If I enable Anonymous in IIS under windows 2003, the ASP.NET will execute code under IUSR_XXX or account of application pool?

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Configuration :: Cannot Get Web Service To Execute In A 64 Bit Application Pool

Aug 17, 2010

I am working on Windows 2008 Server (64-bit). I want to execute my web service as a pure (native) 64 bit service. All the assemblies referred by the web service are currently built as 'AnyCPU'.

When I publish the web service to IIS, and configure it to run under a 64-bit application pool (by setting 'Enable 32-Bit applications' = false), attempt to access the web service gives the error 'Application is not a valid Win32 application' because of a BadImageFormatException. This appears to indicate that somewhere an attempt is being made to load a 32 bit assembly. But the error does not provide any information about which assembly was found with an incorrect format. I have checked all the assemblies in the bin folder using corflags and they are bit agnostic.

I tried using the fusion log and identified a bind failure with VJSharpCodeProvider (though my service is coded only in C#). The runtime is not able to find the VJSharpCodeProvider because it is present in the GAC as an x86 assembly.

Is VJSharpCodeProvider the cause of the problem? I guess this is not the case because of the type of exception (BadImageFormatException). If I am correct, then how do I identify the assembly that is causing this exception?

If I change the property 'Enable 32-Bit applications' to true for the application pool, the service works fine, but I need native 64-bit execution.

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Configuration :: Setting Up An Application Pool And Site?

Aug 17, 2010

I have developed my web site, now i need to set up a space on the server for it.

I have added an application pool in iis and created a site but im not sure how to link the 2 or what to do next.

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Configuration :: IIS 7.5 Application Pool Identity Account And Windows Folders?

Nov 1, 2010

"My application (ASP.NET) writes certain files in folders on my servers. In IIS 6.0 I used to give write access to IUSR account so that IIS can write to the folder. Now what I see is my application pool runs under App Pool Identity account. That is good but users are able to create files in the folders without App Pool Identity user being given specific permission to do so.

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Configuration :: IIS6 Virtual Directory And Separate Application Pool?

Feb 17, 2011

Our website has all of the publicly accessible pages at the root and private pages (login required) in a folder below the root (call it "private").Private pages are accessed as

www.oursite.com/private/somepage.aspx.I want to run the pages in the private folder in a separate application pool without changing the URL for private users.I tried making the private folder a virtual directory but then the pages in the private folder did not render(I think because it did not find a web.config in the private folder).Is the answer to simply put a copy of the web.config that resides at the root in the private folder or is that problematic?

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Configuration :: Create New Application Pool And Assign It To Site Subfolder On Remote Host

Feb 28, 2011

I have a web site running on IIS7 on a remote server. I would like to do the following: Create a new subfolder under the root virtual directory. Create a new app pool. Add this new app pool to the new subfolder Normally, I would do this manually in IIS by first creating the app pool, and then right-clicking the sub folder an choose "add application", but I need to do this programmatically in C#. I've managed to make the above points 1 and 2 work, but I can't find the way to adding the application to the sub folder. This is the code I have used so far for 1 and 2:

[Code]....

So, I need to add "MyAppPool" to the "NytSite" folder. Is this even the correct way to do this?

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IIS Configuration :: Membership Forms Authentication Cookie Clears On Application Pool Recycle

Jan 28, 2013

I use Form Based Authentication in my siteIn my login page I have:

FormsAuthentication.SetAuthCookie(user.userName, true)

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Configuration :: VS2010 Publish From A Web Site And Enable Check For Application Updates?

Jan 10, 2011

I have a program which I would like to publish to my company's intranet server so that employees are able to implement updates. I am not sure how to go about this but I have done some research on IIS and I was wondering if anyone could clue me in a little more with what I need to do. I have not yet downloaded IIS to give it a try as I'm not sure where I would go from there.

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Drawback To Creating A Separate IIS Application Pool For Each Website / Application?

Jan 5, 2010

Currently, on our production IIS web farm, we host about 15 applications in a single App Pool (Default App Pool). There are two websites and about 13 virtual directories.A colleague has recommended that we change our IIS configuration so each application is a separate App Pool (with identical settings).

Is there any drawback or potential issues to doing this?Is it possible that ASP.NET applications could have been built with the requirements that they are all within the same App Pool?

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How To Create An IIS Application And Application Pool Using InnoSetup Script

Aug 18, 2010

I'm trying to deploy an ASP.NET application using InnoSetup. I need to perform the following tasks:

Create an IIS application.

Create a new IIS application pool and set it's .NET version to 4.

Set the application pool of the new application to the new application pool.

I have found a script to create a virtual directory, but I need an application and application pool:

procedure CreateIISVirtualDir();
var
IIS, WebSite, WebServer, WebRoot, VDir: Variant;
ErrorCode: Integer;
begin
{ Create the main IIS COM Automation object }[code]......

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Configuration :: 4.0 App Pool...Integrated Or Classic?

Aug 30, 2010

What should 4.0 app pool be running under? Integrated or Classic?

My button click events don't seem to fire under Integrated when I'm on the root, but if I change to Classic they do fire

So SHOULD it be classic for 4?

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Configuration :: Patch To .Net 1.0.3705 Breaks The App Pool?

Sep 29, 2010

We recently installed a patch to one of our test servers (yes it was a very old patch for a very old version of .net). After installing, it seems the ASPNET account no longer has the same privileges that it once did. I get the following error in the application logs.

"aspnet_wp.exe could not be launched because the username and/or password supplied in the processModel section of the config file are invalid."

I have tried changing the user in the processmodel config file to one that I created, but I don't think I'm setting the proper permissions on all the files and locations that are necessary. All of the other app pools that we have run fine (we have 1.1 and 2.0 on this server as well). Running the 1.0 app pool as "local system" allows the process to start correctly, but I'm afraid of the security ramifications of allowing that process so much access.

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Configuration :: Maximum Pool Size In Web.config ?

Dec 17, 2010

i facing problem of more sleeping connection status in sql server so i wanna set max pool size in web config .

If i set pool size max =500 , is good or not ? and what is the Maximum Pool Size limit in web.config ?

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Timeout Due To Application Pool?

Mar 12, 2011

what is this error?how to handle it?Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.Description:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.InvalidOperationException: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.

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.NET Application Pool Often Overflowing

Feb 25, 2010

.NET application pool often overflowing. What Should I do for solving this problem? I am using singletton class for db connection. Also; My all db connection lines in using code block. So, it be dispose by .NET engine.

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Avoiding Application Pool Warmup In IIS?

Jan 31, 2011

I'm having issues with an ASP.net site (framework 3.5, IIS6 ) having very slow 'first hit' response times. I'm guessing that the issue is to do with the app pool recycling and having to warm up.

I got to thinking. As part of the site I have a HTTP module that spins up a 'never ending loop' on a separate thread which periodically (every 5 seconds) calls an sproc on SQL to make sure the database is still there. I'm wondering if a similar approach might work to get the site to make an HTTP request to "itself" as a keep alive.

My question is, before I go and do this, can anyone think of any reason why it won't work? For example, something like "oh no... ASP.Net will figure out that you're playing with yourself and not go through the whole page lifecycle... etc etc".

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Web Forms :: Application Pool Shutdown Sometimes?

Sep 22, 2010

I don't know if this is the right place to post, anyway:Once in a while the application pool of my website has stopped. After taking a look into the Windows logs, In can see in the System log the following: first I see 5 warnings, and then an error. The warning is:"A process serving application pool 'domain.com' suffered a fatal communication error with the Windows Process Activation Service. The process id was '1568'. The data field contains the error number."The process id is different for all 5 warnings. Then the error message is:Application pool 'domain.com' is being automatically disabled due to a series of failures in the process(es) serving that application pool.The warning:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-WAS" Guid="{524B5D04-133C-4A62-8362-64E8EDB9CE40}" EventSourceName="WAS" />

[code]...

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Extend Web.config Application Pool Recycling?

Apr 15, 2010

I have noticed how editing the web.config file in an application folder causes that application pool to recycle and pick up the changes.

How does IIS achieve this and is it possible to extend this functionality for another config file? Or is this dependency hard-coded somewhere? This is related to the possiblity of deploying configuration changes to a web server without having to edit the web.config, which is usually maintained by a different team.

Note that I don't want to manually invoke this recycle event, but have it work in the same way as with web.config. I'm aware that I could simply add these settings to web.config, but that's not what I've been asked to do.

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Log IIS Application Pool Startup / Shutdown And Recycle?

Dec 9, 2010

My application is running in a shared hosting environment. I do have a dedicated App Pool for my app. I've been doing some testing with 1st visits and precompile performance and have been tracking when my application starts up and shuts down.

In my Global.asax I have some logging code in Application_Start and Application_End. I can see from my logs generally when the application is idle and shuts down, then someone visits and it starts back up.

But, I also see cases where a shutdown is logged and then followed by another shutdown about 13 minutes later; without a startup in the middle.

I also see instances where there are two Startups in a row. I'm guessing these might be a recycle, but why wouldn't there be a shutdown log entry?

What I'd really like to know if there is a better way to track when my application starts, when it shuts down and if it is shutdown due to an idle pool, or from a recycle. I don't have access to the Windows Event Log so I need to do this from my app if possible.

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Iis7 - Should Set .NET Application Pool To Auto-recycle

Mar 3, 2011

I have a number of ASP.NET (4.0) web applications that appear to leak (a small amount) of memory during each request. It is such a small amount, that for most use-cases, it will not grow to become a problem for weeks or even months at a time. I generally try to be good with closing any connections managed by the application, avoiding state-variables (or instance variables for my singleton), etc. My question is this - is this normal behavior for ASP.NET applications? I had turned off the default (IIS 7) behavior of recycling the app pool after 20 minutes of being idle. I do this since the application takes a few minutes to build its internal cache, and I want to avoid negatively impacting the user experience (and having them wait for the application to start when they issue the request).

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.net - Memory Increase On Application Pool Recycle?

Dec 14, 2010

I'd like to describe strange issue I've noticed while analyzing my asp.net application in production and ask for some advice or opinion on the following matter.Application usually runs with some 80-90 MB of memory footprint. This seems stable since no memory leaks have been detected so far - no slight increase in memory usage over time. Yet, problem occurs when application pool recycles (I'm using shared hosting and judging by logs it occurs either when app is idle for 20 mins or every ~30 hours - something like that). The issue is that used memory almost doubles for some period on recycle - it goes to some 160-170 MBs without any explanation. This is confusing, since it is common claim that recycling should purge the memory and all other resources - at least I get it that way. System holds this amount of memory for some 7-8 hours and then memory usage drops to it's usual level of 90-100 MB, again, with no apparent reason (at least not know to me).

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Sql - Connection Pool Confined To At The Application Level?

Apr 28, 2010

Does the same connection string used on two different physical servers hosting different web applications that talk to the same database draw connections from the same connection pool? Or are pooled connections confined to at the application level?

I ask because I inherited a 7 year old .NET 1.1 web application which is riddled with in-line SQL, unclosed and undisposed sql connection and datareader objects. Recently, I was tasked to write a small web app that is hosted on another server and talks to the same database and therefore used the same database connection string. I created a LINQ object to read and write the one table required by the app. Now the original .NET 1.1 app is throwing exceptions like

"Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached."

Maybe these are unreleated, but wanted to get your opinions to make sure I cover all my bases.

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Memory Limits And Application Pool Recycle?

Jun 22, 2010

my web applications app pool configuration is
PeriodicRestartMemory : 512000
PeriodicRestartPrivateMemory : 196608

although the virtual memory limit is higher than private memory, app pool is recycled with virtual memory limits exceeded errors in the event log (instead of private memory).

what is the reason for this? how could it exceed virtual memory limits before exceeding private memory limits? it seems that systems other allocations in virtual memory cause limits exceeded before applications private allocations exceed the limits, but what are those allocations of the system? or what is the root cause of this.

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