0
<httpRuntime executionTimeout="9000000" maxRequestLength="51200" requestLengthDiskThreshold="10240" useFullyQualifiedRedirectUrl="false" minFreeThreads="8" minLocalRequestFreeThreads="4" appRequestQueueLimit="100000" enableVersionHeader="true"/>
0
You can add one more attribute executionTimeout:
<httpRuntime maxRequestLength="51200" executionTimeout="300"/>
executionTimeout: in mili seconds
Secondly, add log that which row is processed so that you can know at which row it is creating issue.