How to increase the max upload file size in ASP NET

Question

I have a form that excepts a file upload in ASP NET  I need to increase the max upload size to above the 4 MB default   I have found in certain places referencing the below code at msdn     ConfigurationPropertyAttribute  maxRequestLength   DefaultValue        None of the references actually describe how to use it  and I have tried several things with no success  I only want to modify this attribute for certain pages that are asking for file upload   Is this the correct route to take  And how do I use this

User · Answer

If its windows 2003   IIS 6 0 then check out AspMaxRequestEntityAllowed    204800  in the file metabase xml located in folder C  windows system32 inetsrv    The default value of  204800    205Kb  is in my opinion too low for most users  Just change the value to what you think should be max    If you cant save the file after editing it you have to either stop the ISS-server or enable the server to allow editing of the file     source  itmaskinen se     Edit  I did not read the question correct  how to set the maxrequest in webconfig   But this informatin may be of interrest for other people  many people who move their sites from win2000-server to win2003 and had a working upload-function and suddenly got the Request BinaryRead Failed error will have use of it  So I leave the answer here

User · Answer

If you are using Framework 4 6   lt httpRuntime targetFramework  4 6 1  requestValidationMode  2 0  maxRequestLength  10485760     gt

User · Answer

I know it is an old question   So this is what you have to do   In you web config file  add this in  lt system web gt     lt  -- 3GB Files   in kilobyte  3072 1024  -- gt   lt httpRuntime targetFramework  4 5  maxRequestLength  3145728   gt    and this under  lt system webServer gt     lt security gt       lt requestFiltering gt          lt  -- 3GB Files   in byte  3072 1024 1024  -- gt         lt requestLimits maxAllowedContentLength  3221225472    gt        lt  requestFiltering gt   lt  security gt    You see in the comment how this works  In one you need to have the sie in bytes and in the other one in kilobytes  Hope that helps

User · Answer

If it works in your local machine and does not work after deployment in IIS  i used Windows Server 2008 R2  i have a solution    Open IIS  inetmgr  Go to your website At right hand side go to Content  Request Filtering  Go to Edit Feature Settings Change maximum content size as  Bytes you required  This will work  You can also take help from following thread http   www iis net configreference system webserver security requestfiltering requestlimits

User · Answer

This setting goes in your web config file  It affects the entire application  though    I don t think you can set it per page    lt configuration gt     lt system web gt       lt httpRuntime maxRequestLength  xxx    gt     lt  system web gt   lt  configuration gt     xxx  is in KB  The default is 4096    4 MB

User · Answer

I believe this line in the web config will set the max upload size    lt system web gt            lt httpRuntime maxRequestLength  600000   gt   lt  system web gt

User · Answer

I ve the same problem in a win 2008 IIS server  I ve solved the problem adding this configuration in the web config    lt system web gt       lt httpRuntime executionTimeout  3600  maxRequestLength  102400        appRequestQueueLimit  100  requestValidationMode  2 0       requestLengthDiskThreshold  10024000   gt   lt  system web gt    The requestLengthDiskThreshold by default is 80000 bytes so it s too small for my application  requestLengthDiskThreshold is measured in bytes and maxRequestLength is expressed in Kbytes   The problem is present if the application is using a System Web UI HtmlControls HtmlInputFile server component  Increasing the requestLengthDiskThreshold is necessary to solve it

User · Answer

This setting goes in your web config file  It affects the entire application  though    I don t think you can set it per page    lt configuration gt     lt system web gt       lt httpRuntime maxRequestLength  xxx    gt     lt  system web gt   lt  configuration gt     xxx  is in KB  The default is 4096    4 MB

User · Answer

If its windows 2003   IIS 6 0 then check out AspMaxRequestEntityAllowed    204800  in the file metabase xml located in folder C  windows system32 inetsrv    The default value of  204800    205Kb  is in my opinion too low for most users  Just change the value to what you think should be max    If you cant save the file after editing it you have to either stop the ISS-server or enable the server to allow editing of the file     source  itmaskinen se     Edit  I did not read the question correct  how to set the maxrequest in webconfig   But this informatin may be of interrest for other people  many people who move their sites from win2000-server to win2003 and had a working upload-function and suddenly got the Request BinaryRead Failed error will have use of it  So I leave the answer here

User · Answer

You can write that block of code in your application web config file    lt httpRuntime maxRequestLength  2048576000    gt   lt sessionState timeout  3600     gt    By writing that code you can upload a larger file than now

User · Answer

For IIS 7   as well as adding the httpRuntime maxRequestLength setting you also need to add      lt system webServer gt       lt security gt         lt requestFiltering gt           lt requestLimits maxAllowedContentLength  52428800    gt   lt  --50MB-- gt         lt  requestFiltering gt       lt  security gt     lt  system webServer gt    Or in IIS  7           Select the website you want enable to accept large file uploads    In the main window double click  Request filtering    Select  Edit Feature Settings    Modify the  Maximum allowed content length  bytes

User · Answer

To increase uploading file s size limit we have two ways  1  IIS6 or lower     By default  in ASP Net the maximum size of a file to be uploaded to the server is   around 4MB  This value can be increased by modifying the   maxRequestLength attribute in web config       Remember   maxRequestLenght is in KB   Example  if you want to restrict uploads to 15MB  set maxRequestLength to    15360     15 x 1024     lt system web gt      lt  -- maxRequestLength for asp net  in KB -- gt       lt httpRuntime maxRequestLength  15360   gt  lt  httpRuntime gt    lt  system web gt    2  IIS7 or higher     A slight different way used here to upload files IIS7 has   introduced request filtering module Which executed before   ASP Net Means the way pipeline works is that the IIS   value maxAllowedContentLength  checked first then ASP NET   value maxRequestLength  is checked The maxAllowedContentLength   attribute defaults to 28 61 MB This value can be increased by   modifying both attribute in same web config       Remember   maxAllowedContentLength is in bytes   Example   if you want to restrict uploads to 15MB  set maxRequestLength to    15360    and maxAllowedContentLength to  15728640   15 x 1024 x 1024     lt system web gt      lt  -- maxRequestLength for asp net  in KB -- gt       lt httpRuntime maxRequestLength  15360   gt  lt  httpRuntime gt    lt  system web gt    lt system webServer gt                    lt security gt          lt requestFiltering gt             lt  -- maxAllowedContentLength  for IIS  in bytes -- gt             lt requestLimits maxAllowedContentLength  15728640   gt  lt  requestLimits gt         lt  requestFiltering gt       lt  security gt   lt  system webServer gt    MSDN Reference link   https   msdn microsoft com en-us library e1f13641 VS 80  aspx

User · Answer

I ve the same problem in a win 2008 IIS server  I ve solved the problem adding this configuration in the web config    lt system web gt       lt httpRuntime executionTimeout  3600  maxRequestLength  102400        appRequestQueueLimit  100  requestValidationMode  2 0       requestLengthDiskThreshold  10024000   gt   lt  system web gt    The requestLengthDiskThreshold by default is 80000 bytes so it s too small for my application  requestLengthDiskThreshold is measured in bytes and maxRequestLength is expressed in Kbytes   The problem is present if the application is using a System Web UI HtmlControls HtmlInputFile server component  Increasing the requestLengthDiskThreshold is necessary to solve it

User · Answer

I have a blog post on how to increase the file size for asp upload control    From the post      By default  the FileUpload control allows a maximum of 4MB file to be uploaded and the execution     timeout is 110 seconds  These properties can be changed from within the web config file   s httpRuntime  section  The maxRequestLength property determines the maximum file size that can be uploaded  The     executionTimeout property determines the maximum time for execution

User · Answer

for a 2 GB max limit  on your application web config    lt system web gt     lt compilation debug  true  targetFramework  4 5    gt     lt httpRuntime targetFramework  4 5  maxRequestLength  2147483647  executionTimeout  1600  requestLengthDiskThreshold  2147483647    gt   lt  system web gt    lt system webServer gt     lt security gt       lt requestFiltering gt         lt requestLimits maxAllowedContentLength  2147483647    gt       lt  requestFiltering gt     lt  security gt   lt  system webServer gt

User · Answer

If you are using Framework 4 6   lt httpRuntime targetFramework  4 6 1  requestValidationMode  2 0  maxRequestLength  10485760     gt

User · Answer

If its windows 2003   IIS 6 0 then check out AspMaxRequestEntityAllowed    204800  in the file metabase xml located in folder C  windows system32 inetsrv    The default value of  204800    205Kb  is in my opinion too low for most users  Just change the value to what you think should be max    If you cant save the file after editing it you have to either stop the ISS-server or enable the server to allow editing of the file     source  itmaskinen se     Edit  I did not read the question correct  how to set the maxrequest in webconfig   But this informatin may be of interrest for other people  many people who move their sites from win2000-server to win2003 and had a working upload-function and suddenly got the Request BinaryRead Failed error will have use of it  So I leave the answer here

User · Answer

If you use sharepoint you should configure max size with Administrative Tools too  kb925083

User · Answer

This setting goes in your web config file  It affects the entire application  though    I don t think you can set it per page    lt configuration gt     lt system web gt       lt httpRuntime maxRequestLength  xxx    gt     lt  system web gt   lt  configuration gt     xxx  is in KB  The default is 4096    4 MB

User · Answer

If its windows 2003   IIS 6 0 then check out AspMaxRequestEntityAllowed    204800  in the file metabase xml located in folder C  windows system32 inetsrv    The default value of  204800    205Kb  is in my opinion too low for most users  Just change the value to what you think should be max    If you cant save the file after editing it you have to either stop the ISS-server or enable the server to allow editing of the file     source  itmaskinen se     Edit  I did not read the question correct  how to set the maxrequest in webconfig   But this informatin may be of interrest for other people  many people who move their sites from win2000-server to win2003 and had a working upload-function and suddenly got the Request BinaryRead Failed error will have use of it  So I leave the answer here

User · Answer

I believe this line in the web config will set the max upload size    lt system web gt            lt httpRuntime maxRequestLength  600000   gt   lt  system web gt

User · Answer

I know it is an old question   So this is what you have to do   In you web config file  add this in  lt system web gt     lt  -- 3GB Files   in kilobyte  3072 1024  -- gt   lt httpRuntime targetFramework  4 5  maxRequestLength  3145728   gt    and this under  lt system webServer gt     lt security gt       lt requestFiltering gt          lt  -- 3GB Files   in byte  3072 1024 1024  -- gt         lt requestLimits maxAllowedContentLength  3221225472    gt        lt  requestFiltering gt   lt  security gt    You see in the comment how this works  In one you need to have the sie in bytes and in the other one in kilobytes  Hope that helps

User · Answer

If you use ssl cert your ssl pipeline F5 settings configure Important

User · Answer

If you use sharepoint you should configure max size with Administrative Tools too  kb925083

User · Answer

I have a blog post on how to increase the file size for asp upload control    From the post      By default  the FileUpload control allows a maximum of 4MB file to be uploaded and the execution     timeout is 110 seconds  These properties can be changed from within the web config file   s httpRuntime  section  The maxRequestLength property determines the maximum file size that can be uploaded  The     executionTimeout property determines the maximum time for execution

User · Answer

for a 2 GB max limit  on your application web config    lt system web gt     lt compilation debug  true  targetFramework  4 5    gt     lt httpRuntime targetFramework  4 5  maxRequestLength  2147483647  executionTimeout  1600  requestLengthDiskThreshold  2147483647    gt   lt  system web gt    lt system webServer gt     lt security gt       lt requestFiltering gt         lt requestLimits maxAllowedContentLength  2147483647    gt       lt  requestFiltering gt     lt  security gt   lt  system webServer gt

User · Answer

I believe this line in the web config will set the max upload size    lt system web gt            lt httpRuntime maxRequestLength  600000   gt   lt  system web gt

User · Answer

Max file size can be restricted to a single MVC Controller or even to an Action  web config  lt location gt  tag can be used for this    lt location path  YourAreaName YourControllerName gt  YourActionName gt   gt     lt system web gt       lt  -- 15MB maxRequestLength for asp net  in KB 15360 -- gt       lt httpRuntime maxRequestLength  15360    gt     lt  system web gt     lt system webServer gt       lt security gt         lt requestFiltering gt           lt  -- 15MB maxAllowedContentLength  for IIS  in bytes 15728640 -- gt           lt requestLimits maxAllowedContentLength  15728640    gt         lt  requestFiltering gt       lt  security gt     lt  system webServer gt   lt  location gt    Or you can add these entries in area s own web config

User · Answer

This setting goes in your web config file  It affects the entire application  though    I don t think you can set it per page    lt configuration gt     lt system web gt       lt httpRuntime maxRequestLength  xxx    gt     lt  system web gt   lt  configuration gt     xxx  is in KB  The default is 4096    4 MB

User · Answer

If it works in your local machine and does not work after deployment in IIS  i used Windows Server 2008 R2  i have a solution    Open IIS  inetmgr  Go to your website At right hand side go to Content  Request Filtering  Go to Edit Feature Settings Change maximum content size as  Bytes you required  This will work  You can also take help from following thread http   www iis net configreference system webserver security requestfiltering requestlimits

User · Answer

You can write that block of code in your application web config file    lt httpRuntime maxRequestLength  2048576000    gt   lt sessionState timeout  3600     gt    By writing that code you can upload a larger file than now

User · Answer

If you use ssl cert your ssl pipeline F5 settings configure Important

User · Answer

I believe this line in the web config will set the max upload size    lt system web gt            lt httpRuntime maxRequestLength  600000   gt   lt  system web gt

User · Answer

To increase uploading file s size limit we have two ways  1  IIS6 or lower     By default  in ASP Net the maximum size of a file to be uploaded to the server is   around 4MB  This value can be increased by modifying the   maxRequestLength attribute in web config       Remember   maxRequestLenght is in KB   Example  if you want to restrict uploads to 15MB  set maxRequestLength to    15360     15 x 1024     lt system web gt      lt  -- maxRequestLength for asp net  in KB -- gt       lt httpRuntime maxRequestLength  15360   gt  lt  httpRuntime gt    lt  system web gt    2  IIS7 or higher     A slight different way used here to upload files IIS7 has   introduced request filtering module Which executed before   ASP Net Means the way pipeline works is that the IIS   value maxAllowedContentLength  checked first then ASP NET   value maxRequestLength  is checked The maxAllowedContentLength   attribute defaults to 28 61 MB This value can be increased by   modifying both attribute in same web config       Remember   maxAllowedContentLength is in bytes   Example   if you want to restrict uploads to 15MB  set maxRequestLength to    15360    and maxAllowedContentLength to  15728640   15 x 1024 x 1024     lt system web gt      lt  -- maxRequestLength for asp net  in KB -- gt       lt httpRuntime maxRequestLength  15360   gt  lt  httpRuntime gt    lt  system web gt    lt system webServer gt                    lt security gt          lt requestFiltering gt             lt  -- maxAllowedContentLength  for IIS  in bytes -- gt             lt requestLimits maxAllowedContentLength  15728640   gt  lt  requestLimits gt         lt  requestFiltering gt       lt  security gt   lt  system webServer gt    MSDN Reference link   https   msdn microsoft com en-us library e1f13641 VS 80  aspx

User · Answer

Max file size can be restricted to a single MVC Controller or even to an Action  web config  lt location gt  tag can be used for this    lt location path  YourAreaName YourControllerName gt  YourActionName gt   gt     lt system web gt       lt  -- 15MB maxRequestLength for asp net  in KB 15360 -- gt       lt httpRuntime maxRequestLength  15360    gt     lt  system web gt     lt system webServer gt       lt security gt         lt requestFiltering gt           lt  -- 15MB maxAllowedContentLength  for IIS  in bytes 15728640 -- gt           lt requestLimits maxAllowedContentLength  15728640    gt         lt  requestFiltering gt       lt  security gt     lt  system webServer gt   lt  location gt    Or you can add these entries in area s own web config

User · Answer

For IIS 7   as well as adding the httpRuntime maxRequestLength setting you also need to add      lt system webServer gt       lt security gt         lt requestFiltering gt           lt requestLimits maxAllowedContentLength  52428800    gt   lt  --50MB-- gt         lt  requestFiltering gt       lt  security gt     lt  system webServer gt    Or in IIS  7           Select the website you want enable to accept large file uploads    In the main window double click  Request filtering    Select  Edit Feature Settings    Modify the  Maximum allowed content length  bytes

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