diff --git a/SMBLibrary/SMB1/Commands/NTCreateAndXRequest.cs b/SMBLibrary/SMB1/Commands/NTCreateAndXRequest.cs
index 6b803eb..d964bf7 100644
--- a/SMBLibrary/SMB1/Commands/NTCreateAndXRequest.cs
+++ b/SMBLibrary/SMB1/Commands/NTCreateAndXRequest.cs
@@ -25,7 +25,7 @@ namespace SMBLibrary.SMB1
         //ushort NameLength; // in bytes
         public NTCreateFlags Flags;
         public uint RootDirectoryFID;
-        public DesiredAccess DesiredAccess;
+        public FileAccessMask DesiredAccess;
         public ulong AllocationSize;
         public ExtendedFileAttributes ExtFileAttributes;
         public ShareAccess ShareAccess;
@@ -46,7 +46,7 @@ namespace SMBLibrary.SMB1
             ushort nameLength = LittleEndianConverter.ToUInt16(this.SMBParameters, 5);
             Flags = (NTCreateFlags)LittleEndianConverter.ToUInt32(this.SMBParameters, 7);
             RootDirectoryFID = LittleEndianConverter.ToUInt32(this.SMBParameters, 11);
-            DesiredAccess = (DesiredAccess)LittleEndianConverter.ToUInt32(this.SMBParameters, 15);
+            DesiredAccess = (FileAccessMask)LittleEndianConverter.ToUInt32(this.SMBParameters, 15);
             AllocationSize = LittleEndianConverter.ToUInt64(this.SMBParameters, 19);
             ExtFileAttributes = (ExtendedFileAttributes)LittleEndianConverter.ToUInt32(this.SMBParameters, 27);
             ShareAccess = (ShareAccess)LittleEndianConverter.ToUInt32(this.SMBParameters, 31);
diff --git a/SMBLibrary/SMB1/Enums/NTCreate/DesiredAccess.cs b/SMBLibrary/SMB1/Enums/NTCreate/DesiredAccess.cs
deleted file mode 100644
index 2307f92..0000000
--- a/SMBLibrary/SMB1/Enums/NTCreate/DesiredAccess.cs
+++ /dev/null
@@ -1,27 +0,0 @@
-using System;
-
-namespace SMBLibrary.SMB1
-{
-    [Flags]
-    public enum DesiredAccess : uint
-    {
-        FILE_READ_DATA = 0x0001,
-        FILE_WRITE_DATA = 0x0002,
-        FILE_APPEND_DATA = 0x0004,
-        FILE_READ_EA = 0x0008,
-        FILE_WRITE_EA = 0x0010,
-        FILE_EXECUTE = 0x0020,
-        FILE_READ_ATTRIBUTES = 0x0080,
-        FILE_WRITE_ATTRIBUTES = 0x0100,
-        DELETE = 0x00010000,
-        READ_CONTROL = 0x00020000,
-        WRITE_DAC = 0x00040000,
-        WRITE_OWNER = 0x00080000,
-        SYNCHRONIZE = 0x00100000,
-        ACCESS_SYSTEM_SECURITY = 0x01000000,
-        MAXIMUM_ALLOWED = 0x02000000,
-        GENERIC_ALL = 0x10000000,
-        GENERIC_EXECUTE = 0x20000000,
-        GENERIC_WRITE = 0x40000000,
-    }
-}
diff --git a/SMBLibrary/SMB1/NTTransactSubcommands/NTTransactCreateRequest.cs b/SMBLibrary/SMB1/NTTransactSubcommands/NTTransactCreateRequest.cs
index 3b2d096..8f0c532 100644
--- a/SMBLibrary/SMB1/NTTransactSubcommands/NTTransactCreateRequest.cs
+++ b/SMBLibrary/SMB1/NTTransactSubcommands/NTTransactCreateRequest.cs
@@ -20,7 +20,7 @@ namespace SMBLibrary.SMB1
         // Parameters:
         public NTCreateFlags Flags;
         public uint RootDirectoryFID;
-        public DesiredAccess DesiredAccess;
+        public FileAccessMask DesiredAccess;
         public ulong AllocationSize;
         public ExtendedFileAttributes ExtFileAttributes;
         public ShareAccess ShareAccess;
@@ -45,7 +45,7 @@ namespace SMBLibrary.SMB1
             int parametersOffset = 0;
             Flags = (NTCreateFlags)LittleEndianReader.ReadUInt32(parameters, ref parametersOffset);
             RootDirectoryFID = LittleEndianReader.ReadUInt32(parameters, ref parametersOffset);
-            DesiredAccess = (DesiredAccess)LittleEndianReader.ReadUInt32(parameters, ref parametersOffset);
+            DesiredAccess = (FileAccessMask)LittleEndianReader.ReadUInt32(parameters, ref parametersOffset);
             AllocationSize = LittleEndianReader.ReadUInt64(parameters, ref parametersOffset);
             ExtFileAttributes = (ExtendedFileAttributes)LittleEndianReader.ReadUInt32(parameters, ref parametersOffset);
             ShareAccess = (ShareAccess)LittleEndianReader.ReadUInt32(parameters, ref parametersOffset);
diff --git a/SMBLibrary/SMBLibrary.csproj b/SMBLibrary/SMBLibrary.csproj
index 7727ddf..fd41d43 100644
--- a/SMBLibrary/SMBLibrary.csproj
+++ b/SMBLibrary/SMBLibrary.csproj
@@ -248,7 +248,6 @@
     <Compile Include="SMB1\Enums\Locking\LockType.cs" />
     <Compile Include="SMB1\Enums\Negotiate\SecurityMode.cs" />
     <Compile Include="SMB1\Enums\Negotiate\ServerCapabilities.cs" />
-    <Compile Include="SMB1\Enums\NTCreate\DesiredAccess.cs" />
     <Compile Include="SMB1\Enums\NTCreate\FileStatus.cs" />
     <Compile Include="SMB1\Enums\NTCreate\ImpersonationLevel.cs" />
     <Compile Include="SMB1\Enums\NTCreate\NTCreateFlags.cs" />
diff --git a/SMBLibrary/Server/SMB1/NTCreateHelper.cs b/SMBLibrary/Server/SMB1/NTCreateHelper.cs
index 5fbecc7..d1610f8 100644
--- a/SMBLibrary/Server/SMB1/NTCreateHelper.cs
+++ b/SMBLibrary/Server/SMB1/NTCreateHelper.cs
@@ -326,21 +326,21 @@ namespace SMBLibrary.Server.SMB1
             }
         }
 
-        public static FileAccess ToFileAccess(DesiredAccess desiredAccess)
+        public static FileAccess ToFileAccess(FileAccessMask desiredAccess)
         {
-            if ((desiredAccess & DesiredAccess.GENERIC_ALL) > 0 ||
-                ((desiredAccess & DesiredAccess.FILE_READ_DATA) > 0 && (desiredAccess & DesiredAccess.FILE_WRITE_DATA) > 0) ||
-                ((desiredAccess & DesiredAccess.FILE_READ_DATA) > 0 && (desiredAccess & DesiredAccess.FILE_APPEND_DATA) > 0))
+            if ((desiredAccess & FileAccessMask.GENERIC_ALL) > 0 ||
+                ((desiredAccess & FileAccessMask.FILE_READ_DATA) > 0 && (desiredAccess & FileAccessMask.FILE_WRITE_DATA) > 0) ||
+                ((desiredAccess & FileAccessMask.FILE_READ_DATA) > 0 && (desiredAccess & FileAccessMask.FILE_APPEND_DATA) > 0))
             {
                 return FileAccess.ReadWrite;
             }
-            else if ((desiredAccess & DesiredAccess.GENERIC_WRITE) > 0 ||
-                     (desiredAccess & DesiredAccess.FILE_WRITE_DATA) > 0 ||
-                     (desiredAccess & DesiredAccess.FILE_APPEND_DATA) > 0)
+            else if ((desiredAccess & FileAccessMask.GENERIC_WRITE) > 0 ||
+                     (desiredAccess & FileAccessMask.FILE_WRITE_DATA) > 0 ||
+                     (desiredAccess & FileAccessMask.FILE_APPEND_DATA) > 0)
             {
                 return FileAccess.Write;
             }
-            else if ((desiredAccess & DesiredAccess.FILE_READ_DATA) > 0)
+            else if ((desiredAccess & FileAccessMask.FILE_READ_DATA) > 0)
             {
                 return FileAccess.Read;
             }