Getting "underlying connection was closed..." error on HttpWebRequest()

We have a console application using HttpWebRequest on Win Server with .net 3.5. Intermittently, we get errors :

  The underlying connection was closed: An unexpected error occurred on a send. 

How can we correct this ?

Any advantage in adding ServicePointManager.MaxServicePoints and ServicePointManager.MaxServicePointIdleTime ?

Where would these be set  ?

Thank you,
Gary Davis
 

HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(&.);
webReq.Method = "POST";
webReq.ContentType = "text/xml";
webReq.Headers.Add("Authorization", "Basic " + strAccount);
webReq.AuthenticationLevel = System.Net.Security.AuthenticationLevel.None;
webReq.KeepAlive = false;
 
HttpWebResponse webResp = (HttpWebResponse)webReq.GetResponse();
 
Stream stream = webResp.GetResponseStream() as Stream;
byte[] buffer = new byte[32 * 1024];
int nRead = 0;
MemoryStream ms = new MemoryStream();
 
do
{
 nRead = stream.Read(buffer, 0, buffer.Length);
 ms.Write(buffer, 0, nRead);
} while (nRead > 0);

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