找到IDA/CFG/PDB.CFG
// PDB plugin
#ifdef __PC__ // INTEL 80x86 PROCESSORS
//
// The downloaded symbols are stored in the specified directory.
// Microsoft's public symbol store is used for downloading the symbols.
//
// If this option is omitted or empty - use _NT_SYMBOL_PATH if set, otherwise use %TEMP%\ida directory
// If the value is not empty - use it
PDBSYM_DOWNLOAD_PATH = "c:\\symbols\\";
// Full symbol path (in _NT_SYMBOL_PATH format)
// If set, PDBSYM_DOWNLOAD_PATH and _NT_SYMBOL_PATH are ignored
PDBSYM_SYMPATH = "SRV*c:\\symbols*http://symbols.mozilla.org/firefox;SRV*c:\\symbols*http://msdl.microsoft.com/download/symbols";
// remote server where win32_remote.exe is running
// used when loading PDB symbols on non-Windows platforms
// NB: it will be used only if there is not already an existing debugging session started
PDB_REMOTE_SERVER = "localhost";
PDB_REMOTE_PORT = 23946
// password for the remote server
PDB_REMOTE_PASSWD = "";
#endif
在IDA的安装目录里也就是symsrv.dll文件目录下面生成一个symsrv.yes文件