HTTP Error 404.13 - Not Found The request filtering module is configured to deny a request that exceeds the request content length.
Most likely causes: Request filtering is configured on the Web server to deny the request because the content length exceeds the configured value.
Things you can try: Verify the configuration/system.webSe
rver/secur ity/reques tFiltering /requestLi mits@maxAl lowedConte ntLength setting in the applicationhost.config or web.config file.
In the ARR and Web Servers ApplicationHost.config
<httpRuntime executionTimeout="180" maxRequestLength="1048576" shutdownTimeout="90" /> <security> <requestFiltering> <requestLimits maxAllowedContentLength="1073741824" /> </requestFiltering> </security>
I found an article on this issue, and I tried what was mentioned which is this.
<security> <requestFiltering> <requestLimits maxAllowedContentLength ="1073741824" /> </requestFiltering> </security>
I then found this and applied it to all the servers as well.
appcmd.exe unlock config -section:system.webServer/security/requestFiltering
appcmd set config -section:requestFiltering -requestLimits.maxAllowedContentLength:1000000
net stop wmsvc net start wmsvc
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