diff --git a/SMBLibrary/RPC/Enums/FaultStatus.cs b/SMBLibrary/RPC/Enums/FaultStatus.cs
new file mode 100644
index 0000000..d299286
--- /dev/null
+++ b/SMBLibrary/RPC/Enums/FaultStatus.cs
@@ -0,0 +1,11 @@
+
+namespace SMBLibrary.RPC
+{
+    public enum FaultStatus : uint
+    {
+        OpRangeError = 0x1C010002, // nca_op_rng_error
+        UnknownInterface = 0x1C010003, // nca_unk_if
+        RPCVersionMismatch = 0x1C000008, // nca_rpc_version_mismatch
+        ProtocolError = 0x1C01000B, // nca_proto_error
+    }
+}
diff --git a/SMBLibrary/RPC/PDU/FaultPDU.cs b/SMBLibrary/RPC/PDU/FaultPDU.cs
index a3be864..6226dc5 100644
--- a/SMBLibrary/RPC/PDU/FaultPDU.cs
+++ b/SMBLibrary/RPC/PDU/FaultPDU.cs
@@ -6,7 +6,6 @@
  */
 using System;
 using System.Collections.Generic;
-using System.Text;
 using Utilities;
 
 namespace SMBLibrary.RPC
@@ -22,7 +21,7 @@ namespace SMBLibrary.RPC
         public ushort ContextID;
         public byte CancelCount;
         public byte Reserved;
-        public uint Status;
+        public FaultStatus Status;
         public uint Reserved2;
         public byte[] Data;
         public byte[] AuthVerifier;
@@ -41,7 +40,7 @@ namespace SMBLibrary.RPC
             ContextID = LittleEndianReader.ReadUInt16(buffer, ref offset);
             CancelCount = ByteReader.ReadByte(buffer, ref offset);
             Reserved = ByteReader.ReadByte(buffer, ref offset);
-            Status = LittleEndianReader.ReadUInt32(buffer, ref offset);
+            Status = (FaultStatus)LittleEndianReader.ReadUInt32(buffer, ref offset);
             Reserved2 = LittleEndianReader.ReadUInt32(buffer, ref offset);
             int dataLength = FragmentLength - AuthLength - offset;
             Data = ByteReader.ReadBytes(buffer, ref offset, dataLength);
@@ -58,7 +57,7 @@ namespace SMBLibrary.RPC
             LittleEndianWriter.WriteUInt16(buffer, ref offset, ContextID);
             ByteWriter.WriteByte(buffer, ref offset, CancelCount);
             ByteWriter.WriteByte(buffer, ref offset, Reserved);
-            LittleEndianWriter.WriteUInt32(buffer, ref offset, Status);
+            LittleEndianWriter.WriteUInt32(buffer, ref offset, (uint)Status);
             LittleEndianWriter.WriteUInt32(buffer, ref offset, Reserved2);
             ByteWriter.WriteBytes(buffer, ref offset, Data);
             ByteWriter.WriteBytes(buffer, ref offset, AuthVerifier);
diff --git a/SMBLibrary/SMBLibrary.csproj b/SMBLibrary/SMBLibrary.csproj
index d838f55..a65adf9 100644
--- a/SMBLibrary/SMBLibrary.csproj
+++ b/SMBLibrary/SMBLibrary.csproj
@@ -183,6 +183,7 @@
     <Compile Include="NTFileStore\Structures\SecurityInformation\SecurityDescriptor.cs" />
     <Compile Include="NTFileStore\Structures\SecurityInformation\SID.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="RPC\Enums\FaultStatus.cs" />
     <Compile Include="RPC\Enums\NegotiationResult.cs" />
     <Compile Include="RPC\Enums\PacketFlags.cs" />
     <Compile Include="RPC\Enums\PacketTypeName.cs" />