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ServicePointManager.MaxServicePoints Property

Gets or sets the maximum number of ServicePoint objects to maintain at any time.

Namespace:  System.Net
Assembly:  System (in System.dll)

Public Shared Property MaxServicePoints As Integer

Property Value

Type: System.Int32
The maximum number of ServicePoint objects to maintain. The default value is 0, which means there is no limit to the number of ServicePoint objects.


MaxServicePoints is less than 0 or greater than Int32.MaxValue.

When you reduce the MaxServicePoints property below the number of ServicePoint objects currently in existence, the ServicePointManager deletes the ServicePoint objects with the longest idle times. If the number of ServicePoint objects with active connections is greater than the value of MaxServicePoints, the ServicePointManager object deletes the ServicePoint objects as they become idle.

The following code example sets this property.

                ' Set the maximum number of ServicePoint instances to maintain.
                ' Note that, if a ServicePoint instance for that host already 
                ' exists when your application requests a connection to
                ' an Internet resource, the ServicePointManager object
                ' returns this existing ServicePoint. If none exists 
                ' for that host, it creates a new ServicePoint instance.
                ServicePointManager.MaxServicePoints = 4

                ' Set the maximum idle time of a ServicePoint instance to 10 seconds.
                ' After the idle time expires, the ServicePoint object is eligible for
                ' garbage collection and cannot be used by the ServicePointManager.
                ServicePointManager.MaxServicePointIdleTime = 10000

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.