While we doing the migration from lotus notes to SharePoint we got the error as shown below.
Error adding attachment name.csv there was an exception running the extension specified in the config file->maximum request length exceededà there was an exception running the extensions specified in the config file-> Maximum request length exceeded
We have to change the options at three places
1) We have to verify in the tool
We have to make this as empty as shown below.
2) On that particular web application in General setting we have to change the value as per your limit.
3) We have to change the Size in the Webconfig file size for a particular web application that you want to change the size of the web application
Search for httpRuntime and change the value as shown below as per requirement size limit
While doing all these steps next time you wont get this type off error :)