When you configure a Web Services on Devices (WSD) server on a Windows Embedded Compact 7-based device, a WSD client cannot send data that is larger than 64 kilobytes (KB) to the WSD server when either of the following conditions is true:
- The client sends the data over a Secure Sockets Layer (SSL) connection.
- The client sends the data over a non-SSL connection, and you have set the PostReadSize registry entry under the following registry subkey on the WSD server to a value that is larger than 64 KB: HKEY_LOCAL_MACHINE\COMM\HTTPD\