From 767b7b483b2118460a745b1ed03f40201afdb995 Mon Sep 17 00:00:00 2001
From: Edward Neal <55035479+edwardneal@users.noreply.github.com>
Date: Tue, 9 Dec 2025 23:17:21 +0000
Subject: [PATCH 1/4] Remove ResourceExposure and ResourceConsumption
 attributes

---
 .../src/Interop/Windows/Kernel32/Kernel32.cs          |  2 --
 .../Interop/Windows/Kernel32/Kernel32Safe.netfx.cs    |  3 ---
 .../src/Interop/Windows/Sni/SniNativeWrapper.cs       |  5 -----
 .../SqlDependencyProcessDispatcherStorage.netfx.cs    |  5 -----
 .../src/Microsoft/Data/Common/AdapterUtil.cs          |  3 ---
 .../src/Microsoft/Data/Common/AdapterUtil.netfx.cs    |  1 -
 .../Common/ConnectionString/DbConnectionOptions.cs    |  5 -----
 .../ConnectionPool/DbConnectionPoolIdentity.cs        |  8 --------
 .../ConnectionPool/WaitHandleDbConnectionPool.cs      | 11 -----------
 .../Data/SqlClient/Diagnostics/SqlClientMetrics.cs    |  9 ---------
 .../Microsoft/Data/SqlClient/SqlConnectionString.cs   |  4 ----
 .../src/Microsoft/Data/SqlClient/SqlDependency.cs     |  5 -----
 .../Microsoft/Data/SqlClient/SqlDependencyListener.cs |  7 -------
 .../src/Microsoft/Data/SqlClient/SqlUtil.cs           |  7 +------
 .../Data/SqlClient/TdsParserStaticMethods.cs          |  6 ------
 .../Microsoft/Data/SqlTypes/SqlFileStream.windows.cs  |  7 -------
 16 files changed, 1 insertion(+), 87 deletions(-)

diff --git a/src/Microsoft.Data.SqlClient/src/Interop/Windows/Kernel32/Kernel32.cs b/src/Microsoft.Data.SqlClient/src/Interop/Windows/Kernel32/Kernel32.cs
index a938fa2fcc..a5b854f565 100644
--- a/src/Microsoft.Data.SqlClient/src/Interop/Windows/Kernel32/Kernel32.cs
+++ b/src/Microsoft.Data.SqlClient/src/Interop/Windows/Kernel32/Kernel32.cs
@@ -6,7 +6,6 @@
 
 using System;
 using System.Runtime.InteropServices;
-using System.Runtime.Versioning;
 using System.Text;
 using Microsoft.Data.Common;
 using Microsoft.Win32.SafeHandles;
@@ -67,7 +66,6 @@ internal static extern bool DeviceIoControl(
 
         #if NETFRAMEWORK
         [DllImport(DllName, SetLastError = true, CharSet = CharSet.Unicode)]
-        [ResourceExposure(ResourceScope.Machine)]
         internal static extern int GetFullPathName(
             string path,
             int numBufferChars,
diff --git a/src/Microsoft.Data.SqlClient/src/Interop/Windows/Kernel32/Kernel32Safe.netfx.cs b/src/Microsoft.Data.SqlClient/src/Interop/Windows/Kernel32/Kernel32Safe.netfx.cs
index 506cf92c0c..874614765f 100644
--- a/src/Microsoft.Data.SqlClient/src/Interop/Windows/Kernel32/Kernel32Safe.netfx.cs
+++ b/src/Microsoft.Data.SqlClient/src/Interop/Windows/Kernel32/Kernel32Safe.netfx.cs
@@ -6,7 +6,6 @@
 
 using System;
 using System.Runtime.InteropServices;
-using System.Runtime.Versioning;
 using System.Security;
 
 namespace Interop.Windows.Kernel32
@@ -21,11 +20,9 @@ internal static class Kernel32Safe
         private const string Kernel32 = "kernel32.dll";
 
         [DllImport(Kernel32, CharSet = CharSet.Auto)]
-        [ResourceExposure(ResourceScope.Process)]
         internal static extern int GetCurrentProcessId();
 
         [DllImport(Kernel32, CharSet = CharSet.Ansi, BestFitMapping = false, ThrowOnUnmappableChar = true, SetLastError = true)]
-        [ResourceExposure(ResourceScope.None)]
         internal static extern IntPtr GetProcAddress(IntPtr HModule, [MarshalAs(UnmanagedType.LPStr), In] string funcName);
     }
 }
diff --git a/src/Microsoft.Data.SqlClient/src/Interop/Windows/Sni/SniNativeWrapper.cs b/src/Microsoft.Data.SqlClient/src/Interop/Windows/Sni/SniNativeWrapper.cs
index a563cf73b9..62961901ff 100644
--- a/src/Microsoft.Data.SqlClient/src/Interop/Windows/Sni/SniNativeWrapper.cs
+++ b/src/Microsoft.Data.SqlClient/src/Interop/Windows/Sni/SniNativeWrapper.cs
@@ -14,9 +14,6 @@
 using Microsoft.Data.SqlClient.Utilities;
 
 #if NETFRAMEWORK
-using System.Runtime.CompilerServices;
-using System.Runtime.Versioning;
-using System.Security;
 using Interop.Windows;
 #endif
 
@@ -66,8 +63,6 @@ internal static uint SniAddProvider(SNIHandle pConn, Provider provNum, ref AuthP
             s_nativeMethods.SniAddProvider(pConn, provNum, ref pInfo);
         
         #if NETFRAMEWORK
-        [ResourceExposure(ResourceScope.None)]
-        [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
         internal static uint SniAddProvider(SNIHandle pConn,
             Provider providerEnum,
             AuthProviderInfo authInfo)
diff --git a/src/Microsoft.Data.SqlClient/src/Interop/Windows/Sni/SqlDependencyProcessDispatcherStorage.netfx.cs b/src/Microsoft.Data.SqlClient/src/Interop/Windows/Sni/SqlDependencyProcessDispatcherStorage.netfx.cs
index 19d8b261c3..dc5b5be57e 100644
--- a/src/Microsoft.Data.SqlClient/src/Interop/Windows/Sni/SqlDependencyProcessDispatcherStorage.netfx.cs
+++ b/src/Microsoft.Data.SqlClient/src/Interop/Windows/Sni/SqlDependencyProcessDispatcherStorage.netfx.cs
@@ -7,7 +7,6 @@
 using System;
 using System.Diagnostics;
 using System.Runtime.InteropServices;
-using System.Runtime.Versioning;
 
 namespace Interop.Windows.Sni
 {
@@ -17,8 +16,6 @@ internal class SqlDependencyProcessDispatcherStorage
         private static IntPtr s_data;
         private static int s_size;
 
-        [ResourceExposure(ResourceScope.Process)] // SxS: there is no way to set scope = Instance, using Process which is wider
-        [ResourceConsumption(ResourceScope.Process, ResourceScope.Process)]
         public static byte[] NativeGetData()
         {
             byte[] result = null;
@@ -31,8 +28,6 @@ public static byte[] NativeGetData()
             return result;
         }
 
-        [ResourceExposure(ResourceScope.Process)] // SxS: there is no way to set scope = Instance, using Process which is wider
-        [ResourceConsumption(ResourceScope.Process, ResourceScope.Process)]
         internal static void NativeSetData(byte[] data)
         {
             lock (s_lockObj)
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/AdapterUtil.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/AdapterUtil.cs
index dcd9f4bac9..44f5d45654 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/AdapterUtil.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/AdapterUtil.cs
@@ -30,7 +30,6 @@
 #endif
 
 #if _WINDOWS
-using System.Runtime.Versioning;
 using Microsoft.Win32;
 #endif
 
@@ -438,8 +437,6 @@ internal static object LocalMachineRegistryValue(string subkey, string queryvalu
         }
         #endif
         #if _WINDOWS
-        [ResourceExposure(ResourceScope.Machine)]
-        [ResourceConsumption(ResourceScope.Machine)]
         internal static object LocalMachineRegistryValue(string subkey, string queryvalue)
         {
             #if NETFRAMEWORK
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/AdapterUtil.netfx.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/AdapterUtil.netfx.cs
index c7427a6a8d..ac9ed992de 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/AdapterUtil.netfx.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/AdapterUtil.netfx.cs
@@ -9,7 +9,6 @@
 using System.Diagnostics;
 using System.IO;
 using System.Runtime.InteropServices;
-using System.Runtime.Versioning;
 using System.Security.Permissions;
 using System.Text;
 using System.Threading.Tasks;
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/ConnectionString/DbConnectionOptions.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/ConnectionString/DbConnectionOptions.cs
index ea5e5a149c..57f1f0e0d3 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/ConnectionString/DbConnectionOptions.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/Common/ConnectionString/DbConnectionOptions.cs
@@ -11,7 +11,6 @@
 using System.Text.RegularExpressions;
 
 #if NETFRAMEWORK
-using System.Runtime.Versioning;
 using System.Security;
 #endif
 
@@ -591,10 +590,6 @@ internal NameValuePair ReplacePasswordPwd(out string constr, bool fakePassword)
         // * this method queries "DataDirectory" value from the current AppDomain.
         //   This string is used for to replace "!DataDirectory!" values in the connection string, it is not considered as an "exposed resource".
         // * This method uses GetFullPath to validate that root path is valid, the result is not exposed out.
-        #if NETFRAMEWORK
-        [ResourceExposure(ResourceScope.None)]
-        [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
-        #endif
         internal static string ExpandDataDirectory(string keyword, string value)
         {
             string fullPath = null;
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ConnectionPool/DbConnectionPoolIdentity.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ConnectionPool/DbConnectionPoolIdentity.cs
index 7eca7bd0f6..fda939eb29 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ConnectionPool/DbConnectionPoolIdentity.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ConnectionPool/DbConnectionPoolIdentity.cs
@@ -4,10 +4,6 @@
 
 using System;
 
-#if NETFRAMEWORK
-using System.Runtime.Versioning;
-#endif
-
 #if _WINDOWS
 using System.Security.Principal;
 #endif
@@ -59,10 +55,6 @@ public override int GetHashCode()
             return _hashCode;
         }
 
-        #if NETFRAMEWORK
-        [ResourceConsumption(ResourceScope.Process, ResourceScope.Process)]
-        [ResourceExposure(ResourceScope.None)] // SxS: this method does not create named objects
-        #endif
         internal static DbConnectionPoolIdentity GetCurrent()
         {
             #if NETFRAMEWORK
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ConnectionPool/WaitHandleDbConnectionPool.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ConnectionPool/WaitHandleDbConnectionPool.cs
index ae56af3bcd..9d89b563dd 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ConnectionPool/WaitHandleDbConnectionPool.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/ConnectionPool/WaitHandleDbConnectionPool.cs
@@ -9,7 +9,6 @@
 using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
-using System.Runtime.Versioning;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Transactions;
@@ -88,10 +87,6 @@ private sealed class PoolWaitHandles
             private readonly WaitHandle[] _handlesWithCreate;
             private readonly WaitHandle[] _handlesWithoutCreate;
 
-#if NETFRAMEWORK
-            [ResourceExposure(ResourceScope.None)] // SxS: this method does not create named objects
-            [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
-#endif
             internal PoolWaitHandles()
             {
                 _poolSemaphore = new Semaphore(0, MAX_Q_SIZE);
@@ -934,8 +929,6 @@ public bool TryGetConnection(DbConnection owningObject, TaskCompletionSource<DbC
 
 #if NETFRAMEWORK
         [SuppressMessage("Microsoft.Reliability", "CA2001:AvoidCallingProblematicMethods")] // copied from Triaged.cs
-        [ResourceExposure(ResourceScope.None)] // SxS: this method does not expose resources
-        [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
 #endif
         private bool TryGetConnection(DbConnection owningObject, uint waitForMultipleObjectsTimeout, bool allowCreate, bool onlyOneCheckConnection, DbConnectionOptions userOptions, out DbConnectionInternal connection)
         {
@@ -1225,10 +1218,6 @@ private DbConnectionInternal GetFromTransactedPool(out Transaction transaction)
             return obj;
         }
 
-#if NETFRAMEWORK
-        [ResourceExposure(ResourceScope.None)] // SxS: this method does not expose resources
-        [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
-#endif
         private void PoolCreateRequest(object state)
         {
             // called by pooler to ensure pool requests are currently being satisfied -
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/Diagnostics/SqlClientMetrics.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/Diagnostics/SqlClientMetrics.cs
index f6eb1c84c1..20f838808f 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/Diagnostics/SqlClientMetrics.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/Diagnostics/SqlClientMetrics.cs
@@ -13,8 +13,6 @@
 
 using System.Diagnostics;
 using System.Reflection;
-using System.Runtime.ConstrainedExecution;
-using System.Runtime.Versioning;
 using System.Security.Permissions;
 #endif
 
@@ -456,13 +454,11 @@ private void EnablePerformanceCounters()
             }
         }
 
-        [PrePrepareMethod]
         private void ExitOrUnloadEventHandler(object sender, EventArgs e)
         {
             RemovePerformanceCounters();
         }
 
-        [PrePrepareMethod]
         private void ExceptionEventHandler(object sender, UnhandledExceptionEventArgs e)
         {
             if (e != null && e.IsTerminating)
@@ -514,10 +510,6 @@ private void RemovePerformanceCounters()
             }
         }
 
-        // SxS: this method uses GetCurrentProcessId to construct the instance name.
-        // TODO: VSDD 534795 - remove the Resource* attributes if you do not use GetCurrentProcessId after the fix
-        [ResourceExposure(ResourceScope.None)]
-        [ResourceConsumption(ResourceScope.Process, ResourceScope.Process)]
         private static string GetInstanceName()
         {
             string result;
@@ -528,7 +520,6 @@ private static string GetInstanceName()
                 instanceName = AppDomain.CurrentDomain?.FriendlyName;
             }
 
-            // TODO: If you do not use GetCurrentProcessId after fixing VSDD 534795, please remove Resource* attributes from this method
             int pid = Kernel32Safe.GetCurrentProcessId();
 
             // SQLBUDT #366157 -there are several characters which have special meaning
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlConnectionString.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlConnectionString.cs
index 6c98efdae1..d36863da95 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlConnectionString.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlConnectionString.cs
@@ -9,7 +9,6 @@
 using System.Net;
 using System.Net.NetworkInformation;
 using System.Threading;
-using System.Runtime.Versioning;
 using System.Security;
 using System.Security.Permissions;
 using Microsoft.Data.Common;
@@ -205,9 +204,6 @@ static SqlConnectionString()
             #endif
         }
         
-        // SxS: reading Software\\Microsoft\\MSSQLServer\\Client\\SuperSocketNetLib\Encrypt value from registry
-        [ResourceExposure(ResourceScope.None)]
-        [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
         internal SqlConnectionString(string connectionString): base(connectionString, s_keywordMap)
         {
 #if !NETFRAMEWORK
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependency.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependency.cs
index e237e0e3e7..c728cf5179 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependency.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependency.cs
@@ -18,7 +18,6 @@
 using System.IO;
 using System.Runtime.Remoting;
 using System.Runtime.Serialization;
-using System.Runtime.Versioning;
 using System.Security.Permissions;
 using Interop.Windows.Sni;
 using Microsoft.Data.SqlClient.LocalDb;
@@ -453,10 +452,6 @@ public void AddCommandDependency(SqlCommand command)
 #if NETFRAMEWORK
         // Method to obtain AppDomain reference and then obtain the reference to the process wide dispatcher for
         // Start() and Stop() method calls on the individual SqlDependency instances.
-        // SxS: this method retrieves the primary AppDomain stored in native library. Since each System.Data.dll has its own copy of native
-        // library, this call is safe in SxS
-        [ResourceExposure(ResourceScope.None)]
-        [ResourceConsumption(ResourceScope.Process, ResourceScope.Process)]
         private static void ObtainProcessDispatcher()
         {
             byte[] nativeStorage = SqlDependencyProcessDispatcherStorage.NativeGetData();
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependencyListener.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependencyListener.cs
index b3fb3e38fa..208b3d6693 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependencyListener.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlDependencyListener.cs
@@ -16,7 +16,6 @@
 
 #if NETFRAMEWORK
 using System.Runtime.CompilerServices;
-using System.Runtime.Versioning;
 using System.Security.Principal;
 using Microsoft.Data.SqlClient.LocalDb;
 #endif
@@ -648,12 +647,6 @@ private void ProcessNotificationResults(SqlDataReader reader)
             }
         }
 
-#if NETFRAMEWORK
-        // SxS: this method uses WindowsIdentity.Impersonate to impersonate the current thread with the
-        // credentials used to create this SqlConnectionContainer.
-        [ResourceExposure(ResourceScope.None)]
-        [ResourceConsumption(ResourceScope.Process, ResourceScope.Process)]
-#endif
         private void Restart(object unused)
         {
             long scopeID = SqlClientEventSource.Log.TryNotificationScopeEnterEvent("<sc.SqlConnectionContainer.Restart|DEP> {0}", ObjectID);
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlUtil.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlUtil.cs
index 540cf3b95c..acadbe11da 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlUtil.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlUtil.cs
@@ -16,12 +16,7 @@
 using System.Transactions;
 using Interop.Common.Sni;
 using Microsoft.Data.Common;
-
-#if NETFRAMEWORK
-using System.Runtime.InteropServices;
-using System.Runtime.Versioning;
-using Interop.Windows.Kernel32;
-#else
+#if NET
 using System.Net.Sockets;
 #endif
 
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/TdsParserStaticMethods.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/TdsParserStaticMethods.cs
index 569a3fbc16..56ead6a4a2 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/TdsParserStaticMethods.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/TdsParserStaticMethods.cs
@@ -5,7 +5,6 @@
 using System;
 using System.Globalization;
 using System.Runtime.InteropServices;
-using System.Runtime.Versioning;
 using Microsoft.Data.Common;
 
 namespace Microsoft.Data.SqlClient
@@ -18,9 +17,6 @@ private TdsParserStaticMethods() { /* prevent utility class from being insantiat
         // Static methods
         //
 
-        // SxS: this method accesses registry to resolve the alias.
-        [ResourceExposure(ResourceScope.None)]
-        [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
         static internal void AliasRegistryLookup(ref string host, ref string protocol)
         {
             if (!string.IsNullOrEmpty(host))
@@ -168,8 +164,6 @@ internal static int GetCurrentThreadIdForTdsLoginOnly()
 
         private static byte[] s_nicAddress = null;
 
-        [ResourceExposure(ResourceScope.None)] // SxS: we use MAC address for TDS login only
-        [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
         static internal byte[] GetNetworkPhysicalAddressForTdsLoginOnly()
         {
             if (s_nicAddress != null)
diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlTypes/SqlFileStream.windows.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlTypes/SqlFileStream.windows.cs
index 9338cf03b1..3c1c9c7bf8 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlTypes/SqlFileStream.windows.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlTypes/SqlFileStream.windows.cs
@@ -20,7 +20,6 @@
 using Microsoft.Win32.SafeHandles;
 
 #if NETFRAMEWORK
-using System.Runtime.Versioning;
 using System.Security;
 using System.Security.Permissions;
 using System.Text;
@@ -510,10 +509,6 @@ private static void DemandAccessPermission (string path, FileAccess access)
         }
         #endif
 
-        #if NETFRAMEWORK
-        [ResourceExposure(ResourceScope.Machine)]
-        [ResourceConsumption(ResourceScope.Machine)]
-        #endif
         private static string GetFullPathInternal(string path)
         {
             //-----------------------------------------------------------------
@@ -562,8 +557,6 @@ private static string GetFullPathInternal(string path)
         /// Do not use this in netcore - Path.GetFullPathName does not require additional
         /// permissions like netfx does.
         /// </remarks>
-        [ResourceExposure(ResourceScope.Machine)]
-        [ResourceConsumption(ResourceScope.Machine)]
         private static string GetFullPathNameNetfx(string path)
         {
             // In the most common case where (SqlFileStream),the 'full path' is expected to be the

From 1a6fd957ced9ec48f1b57e99e11f92384d3008cc Mon Sep 17 00:00:00 2001
From: Edward Neal <55035479+edwardneal@users.noreply.github.com>
Date: Tue, 9 Dec 2025 23:45:51 +0000
Subject: [PATCH 2/4] Remove unused ConstrainedExecution using

---
 .../src/Microsoft/Data/SqlClient/SqlInternalConnection.cs    | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlInternalConnection.cs b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlInternalConnection.cs
index 46852a5df4..da7521a4cd 100644
--- a/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlInternalConnection.cs
+++ b/src/Microsoft.Data.SqlClient/src/Microsoft/Data/SqlClient/SqlInternalConnection.cs
@@ -9,11 +9,6 @@
 using Microsoft.Data.Common;
 using Microsoft.Data.ProviderBase;
 
-#if NETFRAMEWORK
-using System.Runtime.CompilerServices;
-using System.Runtime.ConstrainedExecution;
-#endif
-
 namespace Microsoft.Data.SqlClient
 {
     internal abstract class SqlInternalConnection : DbConnectionInternal

From 5389b0d233a272a6f6e6fc77f0119ed643da69ba Mon Sep 17 00:00:00 2001
From: Edward Neal <55035479+edwardneal@users.noreply.github.com>
Date: Thu, 11 Dec 2025 20:27:23 +0000
Subject: [PATCH 3/4] Remove unused conditional compilation symbol

This is never set in Release configuration.
---
 .../netfx/src/Microsoft.Data.SqlClient.csproj                   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj b/src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj
index f8041d0d61..b5f709513e 100644
--- a/src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj
+++ b/src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj
@@ -73,7 +73,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'" />
   <PropertyGroup Condition="$(Configuration.Contains('Debug'))">
-    <DefineConstants>$(DefineConstants);DEBUG;DBG;_DEBUG;_LOGGING;RESOURCE_ANNOTATION_WORK;</DefineConstants>
+    <DefineConstants>$(DefineConstants);DEBUG;DBG;_DEBUG;_LOGGING;</DefineConstants>
     <DebugType>Full</DebugType>
     <Optimize>False</Optimize>
   </PropertyGroup>

From f809e6368cc9ba9128e5e1c280ba4df88ea8ff58 Mon Sep 17 00:00:00 2001
From: Edward Neal <55035479+edwardneal@users.noreply.github.com>
Date: Thu, 11 Dec 2025 20:41:12 +0000
Subject: [PATCH 4/4] Remove unused references

System; System.Runtime.Serialization; System.Security; System.Data; System.Xml; System.Runtime.Caching.
---
 .../netfx/ref/Microsoft.Data.SqlClient.csproj             | 6 ------
 .../netfx/src/Microsoft.Data.SqlClient.csproj             | 8 +-------
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/src/Microsoft.Data.SqlClient/netfx/ref/Microsoft.Data.SqlClient.csproj b/src/Microsoft.Data.SqlClient/netfx/ref/Microsoft.Data.SqlClient.csproj
index 1d9c1985bd..f09d342860 100644
--- a/src/Microsoft.Data.SqlClient/netfx/ref/Microsoft.Data.SqlClient.csproj
+++ b/src/Microsoft.Data.SqlClient/netfx/ref/Microsoft.Data.SqlClient.csproj
@@ -21,13 +21,7 @@
     <Compile Include="Microsoft.Data.SqlClient.cs" />
   </ItemGroup>
   <ItemGroup>
-    <Reference Include="System" />
     <Reference Include="System.Configuration" />
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.Security" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-    <Reference Include="System.Runtime.Caching" />
     <Reference Include="System.EnterpriseServices" />
     <Reference Include="System.Transactions" />
   </ItemGroup>
diff --git a/src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj b/src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj
index b5f709513e..4c37763ce3 100644
--- a/src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj
+++ b/src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj
@@ -83,15 +83,9 @@
     <Optimize>True</Optimize>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="System" />
     <Reference Include="System.Configuration" />
-    <Reference Include="System.Runtime.Serialization" />
-    <Reference Include="System.Security" />
-    <Reference Include="System.Data" />
-    <Reference Include="System.Xml" />
-    <Reference Include="System.Runtime.Caching" />
-    <Reference Include="System.Transactions" />
     <Reference Include="System.EnterpriseServices" />
+    <Reference Include="System.Transactions" />
   </ItemGroup>
 
   <!-- OS Constants ==================================================== -->