4 files changed, 17 insertions, 9 deletions
diff --git a/SCons/Tool/MSCommon/MSVC/Exceptions.py b/SCons/Tool/MSCommon/MSVC/Exceptions.py
index a12b3c6..7b24a2b 100644
--- a/SCons/Tool/MSCommon/MSVC/Exceptions.py
+++ b/SCons/Tool/MSCommon/MSVC/Exceptions.py
@@ -25,27 +25,32 @@
 Exceptions for Microsoft Visual C/C++.
 """
 
+# reminder: add exceptions to MSCommon if necessary
+
 class VisualCException(Exception):
     pass
 
 class MSVCInternalError(VisualCException):
     pass
 
+class MSVCUserError(VisualCException):
+    pass
+
 class MSVCScriptExecutionError(VisualCException):
     pass
 
-class MSVCVersionNotFound(VisualCException):
+class MSVCVersionNotFound(MSVCUserError):
     pass
 
-class MSVCSDKVersionNotFound(VisualCException):
+class MSVCSDKVersionNotFound(MSVCUserError):
     pass
 
-class MSVCToolsetVersionNotFound(VisualCException):
+class MSVCToolsetVersionNotFound(MSVCUserError):
     pass
 
-class MSVCSpectreLibsNotFound(VisualCException):
+class MSVCSpectreLibsNotFound(MSVCUserError):
     pass
 
-class MSVCArgumentError(VisualCException):
+class MSVCArgumentError(MSVCUserError):
     pass
 
diff --git a/SCons/Tool/MSCommon/MSVC/Policy.py b/SCons/Tool/MSCommon/MSVC/Policy.py
index 9b7025e..fe8da31 100644
--- a/SCons/Tool/MSCommon/MSVC/Policy.py
+++ b/SCons/Tool/MSCommon/MSVC/Policy.py
@@ -45,6 +45,7 @@ from ..common import (
 )
 
 from .Exceptions import (
+    MSVCArgumentError,
     MSVCVersionNotFound,
     MSVCScriptExecutionError,
 )
@@ -141,7 +142,7 @@ def _msvc_notfound_policy_lookup(symbol):
                      repr(symbol),
                      ', '.join([repr(s) for s in MSVC_NOTFOUND_POLICY_EXTERNAL.keys()])
                   )
-        raise ValueError(err_msg)
+        raise MSVCArgumentError(err_msg)
 
     return notfound_policy_def
 
@@ -225,7 +226,7 @@ def _msvc_scripterror_policy_lookup(symbol):
                      repr(symbol),
                      ', '.join([repr(s) for s in MSVC_SCRIPTERROR_POLICY_EXTERNAL.keys()])
                   )
-        raise ValueError(err_msg)
+        raise MSVCArgumentError(err_msg)
 
     return scripterror_policy_def
 
diff --git a/SCons/Tool/MSCommon/__init__.py b/SCons/Tool/MSCommon/__init__.py
index 8396e17..0640bce 100644
--- a/SCons/Tool/MSCommon/__init__.py
+++ b/SCons/Tool/MSCommon/__init__.py
@@ -58,6 +58,7 @@ from .MSVC.Policy import msvc_get_scripterror_policy  # noqa: F401
 
 from .MSVC.Exceptions import VisualCException  # noqa: F401
 from .MSVC.Exceptions import MSVCInternalError  # noqa: F401
+from .MSVC.Exceptions import MSVCUserError  # noqa: F401
 from .MSVC.Exceptions import MSVCScriptExecutionError  # noqa: F401
 from .MSVC.Exceptions import MSVCVersionNotFound  # noqa: F401
 from .MSVC.Exceptions import MSVCSDKVersionNotFound  # noqa: F401
diff --git a/SCons/Tool/MSCommon/vc.py b/SCons/Tool/MSCommon/vc.py
index 68b8f08..27a254b 100644
--- a/SCons/Tool/MSCommon/vc.py
+++ b/SCons/Tool/MSCommon/vc.py
@@ -64,6 +64,7 @@ from . import MSVC
 
 from .MSVC.Exceptions import (
     VisualCException,
+    MSVCUserError,
     MSVCArgumentError,
     MSVCToolsetVersionNotFound,
 )
@@ -86,10 +87,10 @@ class NoVersionFound(VisualCException):
 class BatchFileExecutionError(VisualCException):
     pass
 
-class MSVCScriptNotFound(VisualCException):
+class MSVCScriptNotFound(MSVCUserError):
     pass
 
-class MSVCUseSettingsError(VisualCException):
+class MSVCUseSettingsError(MSVCUserError):
     pass