diff --git a/src/Shared/Internal/HttpContextExtensions.cs b/src/Shared/Internal/HttpContextExtensions.cs
new file mode 100644
index 00000000..1d2b95ff
--- /dev/null
+++ b/src/Shared/Internal/HttpContextExtensions.cs
@@ -0,0 +1,97 @@
+using System;
+#if !ASP_NET_CORE
+using System.Web;
+#else
+using System.Text;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Features;
+#endif
+using NLog.Common;
+
+namespace NLog.Web.Internal
+{
+    internal static class HttpContextExtensions
+    {
+#if !ASP_NET_CORE
+        internal static HttpRequestBase TryGetRequest(this HttpContextBase context)
+        {
+            try
+            {
+                var request = context?.Request;
+                if (request == null)
+                    InternalLogger.Debug("HttpContext Request Lookup returned null");
+                return request;
+            }
+            catch (HttpException ex)
+            {
+                InternalLogger.Debug(ex, "HttpContext Request Lookup failed.");
+                return null;
+            }
+        }
+#else
+        internal static HttpRequest TryGetRequest(this HttpContext context)
+        {
+            var request = context?.Request;
+            if (request == null)
+                InternalLogger.Debug("HttpContext Request Lookup returned null");
+            return request;
+        }
+#endif
+
+#if ASP_NET_CORE
+        internal static string GetString(this ISession session, string key)
+        {
+            if (!session.TryGetValue(key, out var data))
+            {
+                return null;
+            }
+
+            if (data == null)
+            {
+                return null;
+            }
+
+            if (data.Length == 0)
+            {
+                return string.Empty;
+            }
+
+            return Encoding.UTF8.GetString(data);
+        }
+#endif
+
+#if !ASP_NET_CORE
+        internal static HttpSessionStateBase TryGetSession(this HttpContextBase context)
+        {
+            var session = context?.Session;
+            if (session == null)
+                InternalLogger.Debug("HttpContext Session Lookup returned null");
+            return session;
+        }
+#else
+        internal static ISession TryGetSession(this HttpContext context)
+        {
+            try
+            {
+                if (context?.Features.Get<ISessionFeature>()?.Session != null)
+                {
+                    var session = context?.Session;
+                    if (session == null)
+                        InternalLogger.Debug("HttpContext Session Lookup returned null");
+                    return session;
+                }
+                else
+                {
+                    InternalLogger.Debug("HttpContext Session Feature not available");
+                    return null;
+                }
+            }
+            catch (InvalidOperationException ex)
+            {
+                InternalLogger.Debug(ex, "HttpContext Session Lookup failed.");
+                return null; // System.InvalidOperationException: Session has not been configured for this application or request.
+            }
+        }
+#endif
+    }
+}
\ No newline at end of file
diff --git a/src/Shared/Internal/RequestAccessorExtension.cs b/src/Shared/Internal/RequestAccessorExtension.cs
deleted file mode 100644
index 24d95e39..00000000
--- a/src/Shared/Internal/RequestAccessorExtension.cs
+++ /dev/null
@@ -1,57 +0,0 @@
-using System;
-using System.Text;
-#if !ASP_NET_CORE
-using System.Web;
-using NLog.Common;
-#else
-using Microsoft.AspNetCore.Http;
-
-#endif
-
-namespace NLog.Web.Internal
-{
-    internal static class RequestAccessor
-    {
-#if !ASP_NET_CORE
-        internal static HttpRequestBase TryGetRequest(this HttpContextBase context)
-        {
-            try
-            {
-                return context.Request;
-            }
-            catch (HttpException ex)
-            {
-                InternalLogger.Debug(ex, "Exception thrown when accessing Request: " + ex.Message);
-                return null;
-            }
-        }
-#else
-        internal static HttpRequest TryGetRequest(this HttpContext context)
-        {
-            return context.Request;
-        }
-#endif
-
-#if ASP_NET_CORE
-        internal static string GetString(this ISession session, string key)
-        {
-            if (!session.TryGetValue(key, out var data))
-            {
-                return null;
-            }
-
-            if (data == null)
-            {
-                return null;
-            }
-
-            if (data.Length == 0)
-            {
-                return string.Empty;
-            }
-
-            return Encoding.UTF8.GetString(data);
-        }
-#endif
-    }
-}
\ No newline at end of file
diff --git a/src/Shared/LayoutRenderers/AspNetSessionIdLayoutRenderer.cs b/src/Shared/LayoutRenderers/AspNetSessionIdLayoutRenderer.cs
index 1e24a876..69f386ab 100644
--- a/src/Shared/LayoutRenderers/AspNetSessionIdLayoutRenderer.cs
+++ b/src/Shared/LayoutRenderers/AspNetSessionIdLayoutRenderer.cs
@@ -1,7 +1,7 @@
 using System.Text;
-using NLog.Common;
 using NLog.Config;
 using NLog.LayoutRenderers;
+using NLog.Web.Internal;
 
 #if !ASP_NET_CORE
 using System.Web;
@@ -24,16 +24,14 @@ public class AspNetSessionIdLayoutRenderer : AspNetLayoutRendererBase
         protected override void DoAppend(StringBuilder builder, LogEventInfo logEvent)
         {
             var context = HttpContextAccessor.HttpContext;
-            if (context?.Session == null)
-            {
-                InternalLogger.Debug("aspnet-sessionid - HttpContext Session is null");
+            var contextSession = context.TryGetSession();
+            if (contextSession == null)
                 return;
-            }
 
 #if !ASP_NET_CORE
-            builder.Append(context.Session.SessionID);
+            builder.Append(contextSession.SessionID);
 #else
-            builder.Append(context.Session.Id);
+            builder.Append(contextSession.Id);
 #endif
         }
     }
diff --git a/src/Shared/LayoutRenderers/AspNetSessionValueLayoutRenderer.cs b/src/Shared/LayoutRenderers/AspNetSessionValueLayoutRenderer.cs
index 052f58c2..e89a9b0c 100644
--- a/src/Shared/LayoutRenderers/AspNetSessionValueLayoutRenderer.cs
+++ b/src/Shared/LayoutRenderers/AspNetSessionValueLayoutRenderer.cs
@@ -1,16 +1,11 @@
 using System;
 using System.Globalization;
-using System.Linq;
 using System.Text;
-using NLog.Common;
 using NLog.Config;
 using NLog.LayoutRenderers;
 using NLog.Web.Internal;
 #if !ASP_NET_CORE
 using System.Web;
-#else
-using Microsoft.AspNetCore.Http.Features;
-
 #endif
 
 namespace NLog.Web.LayoutRenderers
@@ -88,23 +83,16 @@ protected override void DoAppend(StringBuilder builder, LogEventInfo logEvent)
             }
 
             var context = HttpContextAccessor.HttpContext;
-            if (context?.Session == null)
-            {
-                InternalLogger.Trace("aspnet-session - HttpContext Session is null");
+            var contextSession = context.TryGetSession();
+            if (contextSession == null)
                 return;
-            }
 
 #if !ASP_NET_CORE
-            var value = PropertyReader.GetValue(Variable, context.Session, (session,key) => session.Count > 0 ? session[key] : null, EvaluateAsNestedProperties);
+            var value = PropertyReader.GetValue(Variable, contextSession, (session,key) => session.Count > 0 ? session[key] : null, EvaluateAsNestedProperties);
 #else
             //because session.get / session.getstring also creating log messages in some cases, this could lead to stackoverflow issues. 
             //We remember on the context.Items that we are looking up a session value so we prevent stackoverflows
-            if (context.Items == null || context.Features.Get<ISessionFeature>()?.Session == null)
-            {
-                return;
-            }
-
-            if (context.Items.Count > 0 && context.Items.ContainsKey(NLogRetrievingSessionValue))
+            if (context.Items == null || (context.Items.Count > 0 && context.Items.ContainsKey(NLogRetrievingSessionValue)))
             {
                 return;
             }
@@ -114,12 +102,7 @@ protected override void DoAppend(StringBuilder builder, LogEventInfo logEvent)
             object value;
             try
             {
-                value = PropertyReader.GetValue(Variable, context.Session, (session, key) => session.GetString(key), EvaluateAsNestedProperties);
-            }
-            catch (Exception ex)
-            {
-                InternalLogger.Warn(ex, "aspnet-session - Retrieving session value failed.");
-                return;
+                value = PropertyReader.GetValue(Variable, contextSession, (session, key) => session.GetString(key), EvaluateAsNestedProperties);
             }
             finally
             {