diff --git a/OpenSim/Data/IUserData.cs b/OpenSim/Data/IUserData.cs
index d3631d5a1e..79ba27b954 100644
--- a/OpenSim/Data/IUserData.cs
+++ b/OpenSim/Data/IUserData.cs
@@ -101,8 +101,15 @@ namespace OpenSim.Data
         /// <param name="user">UserProfile to add</param>
         void AddNewUserProfile(UserProfileData user);
 
-        /// <summary></summary>
-        ///  Updates an existing user profile
+        /// <summary>
+        /// Adds a temporary user profile.  A temporary userprofile is one that should exist only for the lifetime of
+        /// the process.
+        /// </summary>
+        /// <param name="userProfile"></param>
+        void AddTemporaryUserProfile(UserProfileData userProfile);
+
+        /// <summary>
+        /// Updates an existing user profile
         /// </summary>
         /// <param name="user">UserProfile to update</param>
         bool UpdateUserProfile(UserProfileData user);
diff --git a/OpenSim/Data/UserDataBase.cs b/OpenSim/Data/UserDataBase.cs
index 167a837142..5ee50968c2 100644
--- a/OpenSim/Data/UserDataBase.cs
+++ b/OpenSim/Data/UserDataBase.cs
@@ -46,6 +46,12 @@ namespace OpenSim.Data
         public UserProfileData GetUserByUri(Uri uri) { return null; }        
         public abstract void StoreWebLoginKey(UUID agentID, UUID webLoginKey);
         public abstract void AddNewUserProfile(UserProfileData user);
+        
+        public virtual void AddTemporaryUserProfile(UserProfileData userProfile)
+        {
+            // Deliberately blank - database plugins shouldn't store temporary profiles.
+        }
+        
         public abstract bool UpdateUserProfile(UserProfileData user);
         public abstract void AddNewUserAgent(UserAgentData agent);
         public abstract void AddNewUserFriend(UUID friendlistowner, UUID friend, uint perms);
diff --git a/OpenSim/Framework/Communications/IUserService.cs b/OpenSim/Framework/Communications/IUserService.cs
index fb24c15ef1..9a3e211f5b 100644
--- a/OpenSim/Framework/Communications/IUserService.cs
+++ b/OpenSim/Framework/Communications/IUserService.cs
@@ -33,6 +33,13 @@ namespace OpenSim.Framework.Communications
 {
     public interface IUserService
     {
+        /// <summary>
+        /// Add a temporary user profile.
+        /// </summary>
+        /// A temporary user profile is one that should exist only for the lifetime of the process.
+        /// <param name="userProfile"></param>
+        void AddTemporaryUserProfile(UserProfileData userProfile);
+        
         /// <summary>
         /// Loads a user profile by name
         /// </summary>
diff --git a/OpenSim/Framework/Communications/TemporaryUserProfilePlugin.cs b/OpenSim/Framework/Communications/TemporaryUserProfilePlugin.cs
index 1cfeaf1fc2..3b78c9980f 100644
--- a/OpenSim/Framework/Communications/TemporaryUserProfilePlugin.cs
+++ b/OpenSim/Framework/Communications/TemporaryUserProfilePlugin.cs
@@ -64,6 +64,14 @@ namespace OpenSim.Framework.Communications
             return null;
         }
         
+        public virtual void AddTemporaryUserProfile(UserProfileData userProfile)
+        {
+            lock (m_profiles)
+            {
+                m_profiles[userProfile.ID] = userProfile;
+            }
+        }
+        
         public UserProfileData GetUserByUri(Uri uri) { return null; }
         public List<AvatarPickerAvatar> GeneratePickerResults(UUID queryID, string query) { return null; }
         public UserAgentData GetAgentByUUID(UUID user) { return null; }
diff --git a/OpenSim/Framework/Communications/Tests/Cache/AssetCacheTests.cs b/OpenSim/Framework/Communications/Tests/Cache/AssetCacheTests.cs
index 178c356219..a5ee549767 100644
--- a/OpenSim/Framework/Communications/Tests/Cache/AssetCacheTests.cs
+++ b/OpenSim/Framework/Communications/Tests/Cache/AssetCacheTests.cs
@@ -90,6 +90,11 @@ namespace OpenSim.Framework.Communications.Tests
 
         private class FakeUserService : IUserService
         {
+            public void AddTemporaryUserProfile(UserProfileData userProfile)
+            {
+                throw new NotImplementedException();
+            }
+            
             public UserProfileData GetUserProfile(string firstName, string lastName)
             {
                 throw new NotImplementedException();
diff --git a/OpenSim/Framework/Communications/Tests/LoginServiceTests.cs b/OpenSim/Framework/Communications/Tests/LoginServiceTests.cs
index 42fdea5fc0..d0c1b3b846 100644
--- a/OpenSim/Framework/Communications/Tests/LoginServiceTests.cs
+++ b/OpenSim/Framework/Communications/Tests/LoginServiceTests.cs
@@ -280,8 +280,8 @@ namespace OpenSim.Framework.Communications.Tests
         [Test]
         public void T023_TestAuthenticatedLoginAlreadyLoggedIn()
         {
-            Console.WriteLine("Starting T023_TestAuthenticatedLoginAlreadyLoggedIn()");            
-            log4net.Config.XmlConfigurator.Configure();
+            //Console.WriteLine("Starting T023_TestAuthenticatedLoginAlreadyLoggedIn()");            
+            //log4net.Config.XmlConfigurator.Configure();
             
             string error_already_logged = "You appear to be already logged in. " +
                                          "If this is not the case please wait for your session to timeout. " +
@@ -317,7 +317,7 @@ namespace OpenSim.Framework.Communications.Tests
             responseData = (Hashtable)response.Value;
             Assert.That(responseData["message"], Is.EqualTo("Hello folks"));
             
-            Console.WriteLine("Finished T023_TestAuthenticatedLoginAlreadyLoggedIn()");
+            //Console.WriteLine("Finished T023_TestAuthenticatedLoginAlreadyLoggedIn()");
         }
 
         public class TestLoginToRegionConnector : ILoginServiceToRegionsConnector
diff --git a/OpenSim/Framework/Communications/UserManagerBase.cs b/OpenSim/Framework/Communications/UserManagerBase.cs
index b6a736209a..133f810a8a 100644
--- a/OpenSim/Framework/Communications/UserManagerBase.cs
+++ b/OpenSim/Framework/Communications/UserManagerBase.cs
@@ -88,9 +88,16 @@ namespace OpenSim.Framework.Communications
             m_plugins.AddRange(DataPluginFactory.LoadDataPlugins<IUserDataPlugin>(provider, connect));
         }
 
-        #region Get UserProfile
-
-        // see IUserService
+        #region UserProfile
+        
+        public virtual void AddTemporaryUserProfile(UserProfileData userProfile)
+        {
+            foreach (IUserDataPlugin plugin in m_plugins)
+            {
+                plugin.AddTemporaryUserProfile(userProfile);
+            }
+        }
+        
         public virtual UserProfileData GetUserProfile(string fname, string lname)
         {
             foreach (IUserDataPlugin plugin in m_plugins)
diff --git a/OpenSim/Region/Communications/OGS1/OGS1UserDataPlugin.cs b/OpenSim/Region/Communications/OGS1/OGS1UserDataPlugin.cs
index f54345113d..941f815fa4 100644
--- a/OpenSim/Region/Communications/OGS1/OGS1UserDataPlugin.cs
+++ b/OpenSim/Region/Communications/OGS1/OGS1UserDataPlugin.cs
@@ -74,6 +74,11 @@ namespace OpenSim.Region.Communications.OGS1
         public void ResetAttachments(UUID userID) {}
         public void LogoutUsers(UUID regionID) {}
         
+        public virtual void AddTemporaryUserProfile(UserProfileData userProfile)
+        {
+            // Not interested
+        }        
+        
         public UserProfileData GetUserByUri(Uri uri)
         {
             WebRequest request = WebRequest.Create(uri);
diff --git a/OpenSim/Tests/Common/Mock/TestUserDataPlugin.cs b/OpenSim/Tests/Common/Mock/TestUserDataPlugin.cs
index 58996e2d8a..f376bf0f8a 100644
--- a/OpenSim/Tests/Common/Mock/TestUserDataPlugin.cs
+++ b/OpenSim/Tests/Common/Mock/TestUserDataPlugin.cs
@@ -65,6 +65,11 @@ namespace OpenSim.Tests.Common.Mock
 
         public void Initialise() {}
         public void Dispose() {}
+        
+        public void AddTemporaryUserProfile(UserProfileData userProfile)
+        {
+            // Not interested
+        }
 
         public void AddNewUserProfile(UserProfileData user)
         {