The default port number "3333" is chosen by SDPin / SDService, to permit these two components to communicate. The use of port 3333 might cause issues with other software products which require this port number. In order to work around this, it is possible to override the default port through the registry to force SDPin and SDService to communicate on a different port number. This functionality is is available in SecureDoc from Version V5.3sr2 and up. In order to change the port number, create a registry import in the following form. REGEDIT4 [HKEY_LOCAL_MACHINE\SOFTWARE\WinMagic] In the example here, the NEW port number chosen was 4444 (decimal) which is 0x115c (Hex). Keep in mind the prefix "0x" SHOULD NOT be used in the code. Note: In order to determine which ports can be used, open a command line, enter and execute: "netstat -an". This will provide a list of the ports currently in use. Note: The need to define the desired port number is in HEX. An example of converting to Hex can be done on Google by typing the desired port number and "in hex".
Ex: 4444 in hex
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1330 Setting a different Port Number for SDPin SDService
- Updated on Feb 6, 2026
- 1 minute(s) read
- VN
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