Index: src/Util/PatternStringConverters/EnvironmentPatternConverter.cs
===================================================================
--- src/Util/PatternStringConverters/EnvironmentPatternConverter.cs	(revision 582971)
+++ src/Util/PatternStringConverters/EnvironmentPatternConverter.cs	(working copy)
@@ -64,6 +64,21 @@
 				{
 					// Lookup the environment variable
 					string envValue = Environment.GetEnvironmentVariable(this.Option);
+
+#if NET_2_0					
+                    // If we didn't see it for the process, try a user level variable.
+				    if (envValue == null)
+				    {
+				        envValue = Environment.GetEnvironmentVariable(this.Option, EnvironmentVariableTarget.User);
+				    }
+
+                    // If we still didn't find it, try a system level one.
+				    if (envValue == null)
+				    {
+				        envValue = Environment.GetEnvironmentVariable(this.Option, EnvironmentVariableTarget.Machine);
+				    }
+#endif					
+
 					if (envValue != null && envValue.Length > 0)
 					{
 						writer.Write(envValue);
Index: tests/src/log4net.Tests.csproj
===================================================================
--- tests/src/log4net.Tests.csproj	(revision 582971)
+++ tests/src/log4net.Tests.csproj	(working copy)
@@ -193,6 +193,11 @@
                     BuildAction = "Compile"
                 />
                 <File
+                    RelPath = "Util\EnvironmentPatternConverterTest.cs"
+                    SubType = "Code"
+                    BuildAction = "Compile"
+                />
+                <File
                     RelPath = "Util\SystemInfoTest.cs"
                     SubType = "Code"
                     BuildAction = "Compile"
Index: tests/src/Util/EnvironmentPatternConverterTest.cs
===================================================================
--- tests/src/Util/EnvironmentPatternConverterTest.cs	(revision 0)
+++ tests/src/Util/EnvironmentPatternConverterTest.cs	(revision 0)
@@ -0,0 +1,91 @@
+// .NET Compact Framework 1.0 has no support for Environment.GetEnvironmentVariable()
+// .NET Framework version 1.0 / 1.1 do not have support for SetEnvironmentVariable which is used in these tests.
+#if !NETCF && NET_2_0
+
+using System;
+using System.IO;
+using System.Text;
+using NUnit.Framework;
+
+namespace log4net.Tests.Util
+{
+    [TestFixture]
+    public class EnvironmentPatternConverterTest
+    {
+        private const string ENVIRONMENT_VARIABLE_NAME = "LOG4NET_TEST_TEMP";
+        const string SYSTEM_LEVEL_VALUE = "SystemLevelEnvironmentValue";
+        const string USER_LEVEL_VALUE = "UserLevelEnvironmentValue";
+        const string PROCESS_LEVEL_VALUE = "ProcessLevelEnvironmentValue";
+
+        [Test]
+        public void SystemLevelEnvironmentVariable()
+        {
+            EnvironmentPatternConverter converter = new EnvironmentPatternConverter();
+            Environment.SetEnvironmentVariable(ENVIRONMENT_VARIABLE_NAME, SYSTEM_LEVEL_VALUE, EnvironmentVariableTarget.Machine);
+
+            converter.Option = ENVIRONMENT_VARIABLE_NAME;
+
+			StringWriter sw = new StringWriter();
+			converter.Convert(sw, null);
+
+            Assert.AreEqual(SYSTEM_LEVEL_VALUE, sw.ToString(), "System level environment variable not expended correctly.");
+
+            Environment.SetEnvironmentVariable(ENVIRONMENT_VARIABLE_NAME, null, EnvironmentVariableTarget.Machine);
+        }
+
+        [Test]
+        public void UserLevelEnvironmentVariable()
+        {
+            EnvironmentPatternConverter converter = new EnvironmentPatternConverter();
+            Environment.SetEnvironmentVariable(ENVIRONMENT_VARIABLE_NAME, USER_LEVEL_VALUE, EnvironmentVariableTarget.User);
+
+            converter.Option = ENVIRONMENT_VARIABLE_NAME;
+
+            StringWriter sw = new StringWriter();
+            converter.Convert(sw, null);
+
+            Assert.AreEqual(USER_LEVEL_VALUE, sw.ToString(), "User level environment variable not expended correctly.");
+
+            Environment.SetEnvironmentVariable(ENVIRONMENT_VARIABLE_NAME, null, EnvironmentVariableTarget.User);
+        }
+
+        [Test]
+        public void ProcessLevelEnvironmentVariable()
+        {
+            EnvironmentPatternConverter converter = new EnvironmentPatternConverter();
+            Environment.SetEnvironmentVariable(ENVIRONMENT_VARIABLE_NAME, PROCESS_LEVEL_VALUE);
+
+            converter.Option = ENVIRONMENT_VARIABLE_NAME;
+
+            StringWriter sw = new StringWriter();
+            converter.Convert(sw, null);
+
+            Assert.AreEqual(PROCESS_LEVEL_VALUE, sw.ToString(), "Process level environment variable not expended correctly.");
+
+            Environment.SetEnvironmentVariable(ENVIRONMENT_VARIABLE_NAME, null);
+        }
+
+        private class EnvironmentPatternConverter
+        {
+            private object target = null;
+
+            public EnvironmentPatternConverter()
+            {
+                target = Utils.CreateInstance("log4net.Util.PatternStringConverters.EnvironmentPatternConverter,log4net");
+            }
+
+            public string Option
+            {
+                get { return Utils.GetProperty(target, "Option") as string; }
+                set { Utils.SetProperty(target, "Option", value); }
+            }
+
+            public void Convert(TextWriter writer, object state)
+            {
+                Utils.InvokeMethod(target, "Convert", writer, state);
+            }
+        }
+    }
+}
+
+#endif
\ No newline at end of file
Index: tests/src/Util/SystemInfoTest.cs
===================================================================
--- tests/src/Util/SystemInfoTest.cs	(revision 582971)
+++ tests/src/Util/SystemInfoTest.cs	(working copy)
@@ -28,9 +28,6 @@
 	/// <summary>
 	/// Used for internal unit testing the <see cref="SystemInfo"/> class.
 	/// </summary>
-	/// <remarks>
-	/// Used for internal unit testing the <see cref="SystemInfo"/> class.
-	/// </remarks>
 	[TestFixture]
 	public class SystemInfoTest
 	{