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So you’re getting error message…
The HTTP request to <URL To WCF Service> has exceeded the allotted timeout. The time allotted to this operation may have been a portion of a longer timeout.
Three places to set time values to fix this issue…
1) Web.Config
<httpRuntime executionTimeout="600" />
(this is seconds, so here it’s 10min). More info on httpRuntime here.
2) On your Web.Config Binding Elements
<binding name="customBinding123"
receiveTimeout="00:10:00"
sendTimeout="00:10:00"
openTimeout="00:10:00"
closeTimeout="00:10:00" />
3) On your ServerReferences.ClientConfig binding elements within the system.serviceModel
<binding name="CustomBinding"
receiveTimeout="00:10:00"
sendTimeout="00:10:00"
openTimeout="00:10:00"
closeTimeout="00:10:00" />
27630887-51d3-4aa6-92cd-a8893f4361db|9|4.7
ASP.NET, WCF, SilverLight