diff --git a/Builder/IISMainHandler/build.txt b/Builder/IISMainHandler/build.txt
index 0735b80..1b003ab 100644
--- a/Builder/IISMainHandler/build.txt
+++ b/Builder/IISMainHandler/build.txt
@@ -1 +1 @@
-904
\ No newline at end of file
+906
\ No newline at end of file
diff --git a/Common/dataobjects/Account.cs b/Common/dataobjects/Account.cs
index 10ddaa9..034b61a 100644
--- a/Common/dataobjects/Account.cs
+++ b/Common/dataobjects/Account.cs
@@ -18,6 +18,7 @@ namespace FLocal.Common.dataobjects {
 			public const string FIELD_PASSWORDHASH = "Password";
 			public const string FIELD_NEEDSMIGRATION = "NeedsMigration";
 			public const string FIELD_NAME = "Name";
+			public const string FIELD_IPADDRESS = "IpAddress";
 			public static readonly TableSpec instance = new TableSpec();
 			public string name { get { return TABLE; } }
 			public string idName { get { return FIELD_ID; } }
@@ -158,7 +159,7 @@ namespace FLocal.Common.dataobjects {
 			}
 		}
 
-		public static KeyValuePair<AbstractChange, AbstractChange[]> getNewAccountChanges(string _name, string password) {
+		public static KeyValuePair<AbstractChange, AbstractChange[]> getNewAccountChanges(string _name, string password, string ip) {
 			string name = _name.Trim();
 			checkNewName(name);
 			checkNewPassword(password);
@@ -184,6 +185,7 @@ namespace FLocal.Common.dataobjects {
 					{ Account.TableSpec.FIELD_NEEDSMIGRATION, new ScalarFieldValue("0") },
 					{ Account.TableSpec.FIELD_PASSWORDHASH, new ScalarFieldValue(hashPassword(password, name.ToLower())) },
 					{ Account.TableSpec.FIELD_USERID, new ReferenceFieldValue(userInsert) },
+					{ Account.TableSpec.FIELD_IPADDRESS, new ScalarFieldValue(ip) },
 				}
 			);
 			var indicatorInsert = new InsertChange(
@@ -204,8 +206,9 @@ namespace FLocal.Common.dataobjects {
 			);
 		}
 
-		public void migrate(string newPassword) {
+		public void migrate(string newPassword, string ip) {
 			checkNewPassword(newPassword);
+			if(!this.needsMigration) throw new FLocalException("Already migrated");
 			ChangeSetUtil.ApplyChanges(new AbstractChange[] {
 				new UpdateChange(
 					TableSpec.instance,
@@ -218,6 +221,10 @@ namespace FLocal.Common.dataobjects {
 							TableSpec.FIELD_NEEDSMIGRATION,
 							new ScalarFieldValue("0")
 						},
+						{
+							TableSpec.FIELD_IPADDRESS,
+							new ScalarFieldValue(ip)
+						},
 					},
 					this.id
 				),
diff --git a/Common/dataobjects/Invite.cs b/Common/dataobjects/Invite.cs
index ff1b59a..9f941c9 100644
--- a/Common/dataobjects/Invite.cs
+++ b/Common/dataobjects/Invite.cs
@@ -84,11 +84,11 @@ namespace FLocal.Common.dataobjects {
 		}
 
 		private object createAccount_locker = new object();
-		public Account createAccount(string code, string name, string password) {
+		public Account createAccount(string code, string name, string password, string ip) {
 			lock(this.createAccount_locker) {
 				if(this.isUsed) throw new FLocalException("Invite is already used");
 				if(this.code != code) throw new FLocalException("Wrong code");
-				var rawChanges = Account.getNewAccountChanges(name, password);
+				var rawChanges = Account.getNewAccountChanges(name, password, ip);
 				var accountInsert = rawChanges.Key;
 				var changes = new List<AbstractChange>(rawChanges.Value);
 				changes.Add(
diff --git a/IISMainHandler/handlers/request/MigrateAccountHandler.cs b/IISMainHandler/handlers/request/MigrateAccountHandler.cs
index d799682..773c042 100644
--- a/IISMainHandler/handlers/request/MigrateAccountHandler.cs
+++ b/IISMainHandler/handlers/request/MigrateAccountHandler.cs
@@ -23,7 +23,7 @@ namespace FLocal.IISHandler.handlers.request {
 			string check = Util.md5(match.Groups[1].Value +  " " + Config.instance.SaltMigration + " " + account.id);
 			if(check != context.httprequest["check"]) throw new FLocalException("Wrong key (fhn:" + match.Groups[1].Value + ")");
 			if(context.httprequest.Form["password"] != context.httprequest.Form["password2"]) throw new FLocalException("Passwords mismatch");
-			account.migrate(context.httprequest.Form["password2"]);
+			account.migrate(context.httprequest.Form["password"], context.httprequest.UserHostAddress);
 			return account;
 		}
 
diff --git a/IISMainHandler/handlers/request/RegisterByInviteHandler.cs b/IISMainHandler/handlers/request/RegisterByInviteHandler.cs
index 086afe6..24b9b97 100644
--- a/IISMainHandler/handlers/request/RegisterByInviteHandler.cs
+++ b/IISMainHandler/handlers/request/RegisterByInviteHandler.cs
@@ -17,7 +17,7 @@ namespace FLocal.IISHandler.handlers.request {
 			Invite invite = Invite.LoadById(int.Parse(context.httprequest.Form["inviteId"]));
 			if(invite.isUsed) throw new FLocalException("Invite is already used");
 			if(context.httprequest.Form["password"] != context.httprequest.Form["password2"]) throw new FLocalException("Passwords mismatch");
-			return invite.createAccount(context.httprequest.Form["code"], context.httprequest.Form["login"], context.httprequest.Form["password"]);
+			return invite.createAccount(context.httprequest.Form["code"], context.httprequest.Form["login"], context.httprequest.Form["password"], context.httprequest.UserHostAddress);
 		}
 
 	}