ServiceThrottlingElement.MaxConcurrentCalls Property
.NET Framework 4
Gets or sets a value that specifies the number of concurrent calls to a single service instance.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
Calls in excess of the limit are queued. Setting this value to 0 is equivalent to setting it to MaxValue.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.