diff --git a/community/knowledge/performance/httpclient-inside-write-transaction-holds-locks.good.al b/community/knowledge/performance/httpclient-inside-write-transaction-holds-locks.good.al
index 218f22c..ea490fe 100644
--- a/community/knowledge/performance/httpclient-inside-write-transaction-holds-locks.good.al
+++ b/community/knowledge/performance/httpclient-inside-write-transaction-holds-locks.good.al
@@ -5,22 +5,21 @@ codeunit 50100 "HttpClient Holds Locks Good"
     begin
         Customer."Search Name" := Customer.Name;
         Customer.Modify(false);
-        TaskScheduler.CreateTask(Codeunit::"Customer Sync Task", 0, true, CompanyName(), CurrentDateTime());
+        // RecordId binds the task to this specific customer; the platform loads it into Rec on OnRun.
+        TaskScheduler.CreateTask(Codeunit::"Customer Sync Task", 0, true, CompanyName(), CurrentDateTime(), Customer.RecordId);
     end;
 }
 
 codeunit 50101 "Customer Sync Task"
 {
+    TableNo = Customer;
+
     trigger OnRun()
     var
         Client: HttpClient;
-        Customer: Record Customer;
         Response: HttpResponseMessage;
     begin
-        // Separate session: no write-transaction lock is held during the HTTP call.
-        if Customer.FindSet() then
-            repeat
-                Client.Get(StrSubstNo('https://example.local/sync/%1', Customer."No."), Response);
-            until Customer.Next() = 0;
+        // Separate session: Rec is the single customer passed via RecordId; no write-transaction lock is held.
+        Client.Get(StrSubstNo('https://example.local/sync/%1', Rec."No."), Response);
     end;
 }
diff --git a/community/knowledge/performance/oncompanyopen-subscribers-must-not-do-io.good.al b/community/knowledge/performance/oncompanyopen-subscribers-must-not-do-io.good.al
index 8938140..d1b3aa5 100644
--- a/community/knowledge/performance/oncompanyopen-subscribers-must-not-do-io.good.al
+++ b/community/knowledge/performance/oncompanyopen-subscribers-must-not-do-io.good.al
@@ -2,17 +2,22 @@ codeunit 50100 "Login Subscriber IO Good"
 {
     [EventSubscriber(ObjectType::Codeunit, Codeunit::"System Initialization", OnAfterLogin, '', false, false)]
     local procedure OnAfterLogin()
+    var
+        TaskId: Guid;
+        StoredId: Text;
     begin
         // Guard to interactive sessions only; background task sessions also raise OnAfterLogin.
-        if not (Session.GetCurrentClientType() in [ClientType::Web, ClientType::Windows, ClientType::Desktop, ClientType::Tablet, ClientType::Phone]) then
+        if not (Session.CurrentClientType() in [ClientType::Web, ClientType::Windows, ClientType::Desktop, ClientType::Tablet, ClientType::Phone]) then
             exit;
 
-        // Idempotent: skip if a task for this codeunit is already queued.
-        if TaskScheduler.TaskExists(Codeunit::"Login Subscriber IO Work") then
-            exit;
+        // Idempotent: TaskExists requires the GUID returned by CreateTask, stored across logins.
+        if IsolatedStorage.Get('LoginSyncTaskId', DataScope::Company, StoredId) then
+            if Evaluate(TaskId, StoredId) then
+                if TaskScheduler.TaskExists(TaskId) then
+                    exit;
 
-        // Defer the I/O work; CreateTask is the only write allowed on this path.
-        TaskScheduler.CreateTask(Codeunit::"Login Subscriber IO Work", 0, true, CompanyName(), CurrentDateTime() + 60000);
+        TaskId := TaskScheduler.CreateTask(Codeunit::"Login Subscriber IO Work", 0, true, CompanyName(), CurrentDateTime() + 60000);
+        IsolatedStorage.Set('LoginSyncTaskId', Format(TaskId), DataScope::Company);
     end;
 }