How to Change Upload Limits in Windows Server 2012 Web.config
Need assistance to increase the file upload size limit in IIS? We can help you.
The default upload file size does not allow to upload big size files.
Fortunately, we can upload larger files by making slight changes in the webserver.
At Bobcares, we often get requests to ready upload failure as a part of our Server Management Services.
Today, let's see how our Support Engineers set up the error for our customers.
Why does the Upload failure occur in IIS?
The default setting of the IIS spider web server allows but to upload a certain size file to the webserver. The default maximum file upload size in IIS6 is 4 MB and 28.half dozen MB for IIS7.
Then if we try to upload a larger than 30MB it returns an error in the webserver. The reason for the failure is the default settings in the webserver.
We can increase the IIS file upload size limit past making slight changes in the webserver.
How to Increment the IIS File Upload Size Limit?
Recently, i of our customers got the below error while uploading the file in the webserver.
On checking, nosotros constitute that he got the error while uploading larger size files. The error is due to the IIS upload file size limit in the webserver.
Let's run into how our Support Engineers resolve this fault for our customers.
1. Modify the spider web.config file
To handle such large files we need to adjust the maxAllowedContentLength value. Nosotros increment the maximum upload file size by modifying the maxAllowedContentLength in the web.config file.
<system.webServer> <security> <requestFiltering> <requestLimits maxAllowedContentLength="3521478366" /> </requestFiltering> </security> </system.webServer> The maxAllowedContentLength is measured in bytes. Using the above code, nosotros tin upload files up to 3 GB in size and these values can adjust accordingly to the file size.
2. Edit the request filtering settings in IIS
The second option is that nosotros add the Maximum immune content length in IIS.
ane. Initially, we open the IIS Manager.
2. Then nosotros select the website.
3. Afterwards that, nosotros select the Failed Request Tracing Rulesoption.
4. And so we click the Edit Asking Filtering Settings from the Actions pane on the correct-manus side of the screen.
4. And so the Edit Request Filtering Settings pane displays.
v. In the Request Limits department, nosotros enter the upload file size limit in the Maximum allowed content length (Bytes) option.
six. We click the OK push button.
Also, we need to restart the IIS after adding the value.
iii. Edit the ApplicationHost.config file
The ApplicationHost.config is the root file of the configuration system of IIS 7 and above. We tin can increment the upload file size by editing the ApplicationHost.config file.
i. To open the ApplicationHost.config file, we open up the Notepad and click Run as administrator.
two. On the File card, we click Open.
3. Then in the File name box, type %windir%\system32\inetsrv\config\applicationhost.config, and click Open.
4. Later on that, we find the <requestLimits> department in theApplicationHost.config file.
five. Then nosotros add maxAllowedContentLengthto the required upload file size.
<requestLimits maxAllowedContentLength ="<size>" /> six. Finally, we salve the ApplicationHost.config file.
We can use any of the above three options to increase the upload size limit.
[Demand assistance to increase the upload size? Nosotros'll aid you.]
Conclusion
In brusk. we discussed the reason for the upload failure in IIS. Also, we saw how our Support Engineers aid our customers to increment the maximum upload file size in IIS.
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Source: https://bobcares.com/blog/iis-file-upload-size-limit/
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