When you send a file through the BizTalk file adapter to a folder that already contains a file that has the same file name, you receive an error message that resembles the following:
Additionally, BizTalk Server deletes the existing file from the Send folder. The Send instance remains in a dehydrated state. After the second retry, BizTalk Server puts the new file into the Send folder, and finishes the instance.
A message sent to adapter "FILE" on send port "Send_Port_Name" with URI "path\file_name" is suspended.
Error details: The FILE send adapter cannot open file path\file_name for writing because it is associated with an unsupported device type.
Error details: The FILE send adapter cannot open file path\file_name for writing because it is associated with an unsupported device type.
Additionally, BizTalk Server deletes the existing file from the Send folder. The Send instance remains in a dehydrated state. After the second retry, BizTalk Server puts the new file into the Send folder, and finishes the instance.