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• Kieran

  Posted on Feb 25, 2010 (permalink)

  Hey
  
  
  I am trying to send a newsletter to large number of subscribers 7000.
  
  I am getting a javascript error
  
  Message: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 12031
  Line: 604
  Char: 13
  Code: 0
  
  
  

  Message: Sys.WebForms.PageRequestManagerServerErrorException: An item with the same key has already been added.
  Line: 604
  Char: 13
  Code: 0
  
  
  Message: Sys.WebForms.PageRequestManagerServerErrorException: Insufficient permissions to access module "Newsletters".
  Line: 604
  Char: 13
  Code: 0
  
  
  
  Thanks
  Kieran

  Reply

• Ivan Dimitrov Ivan Dimitrov

  Posted on Feb 25, 2010 (permalink)

  Hello Kieran,
  
  The error you are getting means
  
  12031   ERROR_INTERNET_CONNECTION_RESET The connection with the server has been reset.
  
  The error could be related to to the HTTP Runtime limitation of the maxRequestLength in your web.config. Try separating the subscriber group in two smaller groups, so each group should contain approximately 3000 subscribers.
  
  Kind regards,
  Ivan Dimitrov
  the Telerik team

  
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