PullSubscription::GetEvents() method works fine sometime, but sometimes throws exception. Below is the exception.
Microsoft.Exchange.WebServices.Data.ServiceResponseException: The specified subscription was not found.
at Microsoft.Exchange.WebServices.Data.ExchangeService.GetEvents(String subscriptionId, String watermark)
Every time I using same user to connect to Exchange Web Service.
Does anybody knows when this exception is thrown? And why same method works fine sometime, but throws exception sometimes?
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