http error 40314 forbidden when accessing umbraco - Using Umbraco and getting started

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Sven Temmerman 10 posts 112 karma points

Apr 14, 2017 @ 13:33

0

HTTP Error 403.14 - Forbidden when accessing /umbraco

Hi,

I've been trying to install Umbraco for two weeks now at a hosting company. Many things went wrong but finally, I can see the front end: http://aleenbe.webhosting.be.

I still have a problem when trying to access the umbraco backend. I get an error saying that no default document can be found, which results in an http error 403.14.

I've installed Umbraco 7.5.6. This is running perfect on my dev machine. The problem must be a setting in IIS 8.5, but I don't even know where to start looking.

Anyone faced this problem in the past? Anyone can help me out with this?

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Marc Goodson 2157 posts 14431 karma points MVP 9x c-trib

Apr 16, 2017 @ 18:52

0

Hi Sven

Can you check which mode the app pool pipeline is running in for the site ?

eg with 'Classic Mode' in IIS, in the olden days, you'd need to configure a default document eg default.aspx to load when pointing at a folder...

but in IntegratedMode, there is no need the request is mapped to .net when there is no file extension.

so my guess is your request to

http://aleenbe.webhosting.be/umbraco

is looking for

http://aleenbe.webhosting.be/umbraco/default.aspx which doesn't exist, then trying to list the directory content which your local account doesn't have permissions to do hence the 403.

switching to IntegratedMode should make the /umbraco url work once more.

regards

Marc

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Sven Temmerman 10 posts 112 karma points

Apr 17, 2017 @ 08:40

0

Hi Marc,

I justed checked it and the app pool is running in Integrated Mode.

I also see that the app pool is running in 64-bit but with 32-bit enabled. Could that be causing the problem?

Ragards, Sven

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Sven Temmerman 10 posts 112 karma points

Apr 29, 2017 @ 13:18
0
In order to fix this the hosting company put a web.config file in the umbraco folder containing the following
```
<configuration>
  <system.webServer>
    <validation validateIntegratedModeConfiguration="false" />
    </system.webServer>
</configuration>
```
After doing this the backend started working. I also noticed the same problem in the App_Plugin folder. Adding the same web.config file solved all the problems ....
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Marc Goodson 2157 posts 14431 karma points MVP 9x c-trib

Apr 29, 2017 @ 19:21

0

Hi Sven

Glad you have something running!

So it does seem connected to the mode the pipeline is running in.

Reading about that setting here:

https://www.iis.net/configreference/system.webserver/validation

it's there to detect whether an ASP.Net application that is setup to run in Classic.Net mode needs to be changed in order to function correctly in Integrated mode (default is true)

but what confuses me is your Umbraco site should run fine in integrated mode...

regards

Marc

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HTTP Error 403.14 - Forbidden when accessing /umbraco