I am receiving the error message:
in Wordpress when trying to upload a 300 MB FLV file to the media library.
Windows Server 2008 R2
The most common answer to this question is:
Check your php.ini settings and make sure the following variables are larger than the size of the file you're trying to upload (in this example we'll set the values to 500 MB):
upload_max_filesize = 500M post_max_size = 500M
However, in my scenario this was not the solution. Instead we needed to do the following:
You may have site specific settings that override the global settings. If this is the case, step 2 is: