diff --git a/BaseTools/Source/Python/Ecc/EccMain.py b/BaseTools/Source/Python/Ecc/EccMain.py
index 72edbea3b8..a349cd8014 100644
--- a/BaseTools/Source/Python/Ecc/EccMain.py
+++ b/BaseTools/Source/Python/Ecc/EccMain.py
@@ -105,7 +105,7 @@ class Ecc(object):
 
     def InitDefaultConfigIni(self):
         paths = map(lambda p: os.path.join(p, 'Ecc', 'config.ini'), sys.path)
-        paths = (os.path.realpath('config.ini'),) + tuple(paths)
+        paths = (os.path.abspath('config.ini'),) + tuple(paths)
         for path in paths:
             if os.path.exists(path):
                 self.ConfigFile = path
diff --git a/BaseTools/Source/Python/GenFds/FfsInfStatement.py b/BaseTools/Source/Python/GenFds/FfsInfStatement.py
index 20573ca28d..568efb6d76 100644
--- a/BaseTools/Source/Python/GenFds/FfsInfStatement.py
+++ b/BaseTools/Source/Python/GenFds/FfsInfStatement.py
@@ -707,8 +707,8 @@ class FfsInfStatement(FfsInfStatementClassObject):
                                   FileName,
                                   'DEBUG'
                                   )
-        OutputPath = os.path.realpath(OutputPath)
-        DebugPath = os.path.realpath(DebugPath)
+        OutputPath = os.path.abspath(OutputPath)
+        DebugPath = os.path.abspath(DebugPath)
         return OutputPath, DebugPath
 
     ## __GenSimpleFileSection__() method
diff --git a/BaseTools/Source/Python/GenFds/GenFds.py b/BaseTools/Source/Python/GenFds/GenFds.py
index c341045000..17b71b7cd3 100644
--- a/BaseTools/Source/Python/GenFds/GenFds.py
+++ b/BaseTools/Source/Python/GenFds/GenFds.py
@@ -153,7 +153,7 @@ def GenFdsApi(FdsCommandDict, WorkSpaceDataBase=None):
             FdfFilename = GenFdsGlobalVariable.ReplaceWorkspaceMacro(FdfFilename)
 
             if FdfFilename[0:2] == '..':
-                FdfFilename = os.path.realpath(FdfFilename)
+                FdfFilename = os.path.abspath(FdfFilename)
             if not os.path.isabs(FdfFilename):
                 FdfFilename = mws.join(GenFdsGlobalVariable.WorkSpaceDir, FdfFilename)
             if not os.path.exists(FdfFilename):
@@ -175,7 +175,7 @@ def GenFdsApi(FdsCommandDict, WorkSpaceDataBase=None):
             ActivePlatform = GenFdsGlobalVariable.ReplaceWorkspaceMacro(ActivePlatform)
 
             if ActivePlatform[0:2] == '..':
-                ActivePlatform = os.path.realpath(ActivePlatform)
+                ActivePlatform = os.path.abspath(ActivePlatform)
 
             if not os.path.isabs (ActivePlatform):
                 ActivePlatform = mws.join(GenFdsGlobalVariable.WorkSpaceDir, ActivePlatform)
@@ -299,7 +299,7 @@ def GenFdsApi(FdsCommandDict, WorkSpaceDataBase=None):
         for Key in GenFdsGlobalVariable.OutputDirDict:
             OutputDir = GenFdsGlobalVariable.OutputDirDict[Key]
             if OutputDir[0:2] == '..':
-                OutputDir = os.path.realpath(OutputDir)
+                OutputDir = os.path.abspath(OutputDir)
 
             if OutputDir[1] != ':':
                 OutputDir = os.path.join (GenFdsGlobalVariable.WorkSpaceDir, OutputDir)