diff --git a/sycl/test-e2e/Graph/Explicit/basic_usm.cpp b/sycl/test-e2e/Graph/Explicit/basic_usm.cpp
index 48a65e9d94d9d..653aa62c7384e 100644
--- a/sycl/test-e2e/Graph/Explicit/basic_usm.cpp
+++ b/sycl/test-e2e/Graph/Explicit/basic_usm.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #define GRAPH_E2E_EXPLICIT
 
diff --git a/sycl/test-e2e/Graph/Explicit/basic_usm_host.cpp b/sycl/test-e2e/Graph/Explicit/basic_usm_host.cpp
index c3b3bef554de9..f5e0a6a84ae40 100644
--- a/sycl/test-e2e/Graph/Explicit/basic_usm_host.cpp
+++ b/sycl/test-e2e/Graph/Explicit/basic_usm_host.cpp
@@ -7,6 +7,9 @@
 
 // REQUIRES: aspect-usm_host_allocations
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_EXPLICIT
 
 #include "../Inputs/basic_usm_host.cpp"
diff --git a/sycl/test-e2e/Graph/Explicit/basic_usm_mixed.cpp b/sycl/test-e2e/Graph/Explicit/basic_usm_mixed.cpp
index e3c0ff4f9688b..a56d1f2d1a072 100644
--- a/sycl/test-e2e/Graph/Explicit/basic_usm_mixed.cpp
+++ b/sycl/test-e2e/Graph/Explicit/basic_usm_mixed.cpp
@@ -8,6 +8,9 @@
 // REQUIRES: aspect-usm_host_allocations
 // REQUIRES: aspect-usm_shared_allocations
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_EXPLICIT
 
 #include "../Inputs/basic_usm_mixed.cpp"
diff --git a/sycl/test-e2e/Graph/Explicit/basic_usm_shared.cpp b/sycl/test-e2e/Graph/Explicit/basic_usm_shared.cpp
index fc949abb624f3..cd29daa0bdedf 100644
--- a/sycl/test-e2e/Graph/Explicit/basic_usm_shared.cpp
+++ b/sycl/test-e2e/Graph/Explicit/basic_usm_shared.cpp
@@ -7,6 +7,9 @@
 
 // REQUIRES: aspect-usm_shared_allocations
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_EXPLICIT
 
 #include "../Inputs/basic_usm_shared.cpp"
diff --git a/sycl/test-e2e/Graph/Explicit/host_task2_multiple_roots.cpp b/sycl/test-e2e/Graph/Explicit/host_task2_multiple_roots.cpp
index ba8f886419e61..9f37505e3d14c 100644
--- a/sycl/test-e2e/Graph/Explicit/host_task2_multiple_roots.cpp
+++ b/sycl/test-e2e/Graph/Explicit/host_task2_multiple_roots.cpp
@@ -11,6 +11,9 @@
 // Windows
 // UNSUPPORTED: cuda && windows
 
+// Test is flaky on Windows for all targets, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_EXPLICIT
 
 #include "../Inputs/host_task2_multiple_roots.cpp"
diff --git a/sycl/test-e2e/Graph/Explicit/host_task_multiple_deps.cpp b/sycl/test-e2e/Graph/Explicit/host_task_multiple_deps.cpp
index 2f101d771fcf0..68da1164f2f2c 100644
--- a/sycl/test-e2e/Graph/Explicit/host_task_multiple_deps.cpp
+++ b/sycl/test-e2e/Graph/Explicit/host_task_multiple_deps.cpp
@@ -7,6 +7,9 @@
 
 // REQUIRES: aspect-usm_shared_allocations
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_EXPLICIT
 
 #include "../Inputs/host_task_multiple_deps.cpp"
diff --git a/sycl/test-e2e/Graph/Explicit/host_task_multiple_roots.cpp b/sycl/test-e2e/Graph/Explicit/host_task_multiple_roots.cpp
index fda2d46ac8a49..047bad4a3a365 100644
--- a/sycl/test-e2e/Graph/Explicit/host_task_multiple_roots.cpp
+++ b/sycl/test-e2e/Graph/Explicit/host_task_multiple_roots.cpp
@@ -11,6 +11,9 @@
 // Windows
 // UNSUPPORTED: cuda && windows
 
+// Test is flaky on Windows for all targets, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_EXPLICIT
 
 #include "../Inputs/host_task_multiple_roots.cpp"
diff --git a/sycl/test-e2e/Graph/Explicit/multiple_exec_graphs.cpp b/sycl/test-e2e/Graph/Explicit/multiple_exec_graphs.cpp
index 0fc554f313695..02b7388cd1c67 100644
--- a/sycl/test-e2e/Graph/Explicit/multiple_exec_graphs.cpp
+++ b/sycl/test-e2e/Graph/Explicit/multiple_exec_graphs.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #define GRAPH_E2E_EXPLICIT
 
diff --git a/sycl/test-e2e/Graph/Explicit/queue_constructor_usm.cpp b/sycl/test-e2e/Graph/Explicit/queue_constructor_usm.cpp
index 238bcb317e1e5..74308aba7f7d2 100644
--- a/sycl/test-e2e/Graph/Explicit/queue_constructor_usm.cpp
+++ b/sycl/test-e2e/Graph/Explicit/queue_constructor_usm.cpp
@@ -5,6 +5,9 @@
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_EXPLICIT
 
 #include "../Inputs/queue_constructor_usm.cpp"
diff --git a/sycl/test-e2e/Graph/Explicit/queue_shortcuts.cpp b/sycl/test-e2e/Graph/Explicit/queue_shortcuts.cpp
index 5dcd7bf99ad30..84e63f42dfe7e 100644
--- a/sycl/test-e2e/Graph/Explicit/queue_shortcuts.cpp
+++ b/sycl/test-e2e/Graph/Explicit/queue_shortcuts.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #define GRAPH_E2E_EXPLICIT
 
diff --git a/sycl/test-e2e/Graph/Explicit/sub_graph.cpp b/sycl/test-e2e/Graph/Explicit/sub_graph.cpp
index bcc4aca71a60f..d753ea730d2d6 100644
--- a/sycl/test-e2e/Graph/Explicit/sub_graph.cpp
+++ b/sycl/test-e2e/Graph/Explicit/sub_graph.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #define GRAPH_E2E_EXPLICIT
 
diff --git a/sycl/test-e2e/Graph/RecordReplay/after_use.cpp b/sycl/test-e2e/Graph/RecordReplay/after_use.cpp
index e64fcbabdce52..b7879874ee4c7 100644
--- a/sycl/test-e2e/Graph/RecordReplay/after_use.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/after_use.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 // This test attempts recording a set of kernels after they have already been
 // executed once before.
diff --git a/sycl/test-e2e/Graph/RecordReplay/barrier_with_work.cpp b/sycl/test-e2e/Graph/RecordReplay/barrier_with_work.cpp
index 41c81068ea298..cd5833dc92160 100644
--- a/sycl/test-e2e/Graph/RecordReplay/barrier_with_work.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/barrier_with_work.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #include "../graph_common.hpp"
 
diff --git a/sycl/test-e2e/Graph/RecordReplay/basic_usm.cpp b/sycl/test-e2e/Graph/RecordReplay/basic_usm.cpp
index 67e6da1de0c73..d5a9226b74ad1 100644
--- a/sycl/test-e2e/Graph/RecordReplay/basic_usm.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/basic_usm.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #define GRAPH_E2E_RECORD_REPLAY
 
diff --git a/sycl/test-e2e/Graph/RecordReplay/basic_usm_host.cpp b/sycl/test-e2e/Graph/RecordReplay/basic_usm_host.cpp
index df7a949289afa..225eb5e3b2635 100644
--- a/sycl/test-e2e/Graph/RecordReplay/basic_usm_host.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/basic_usm_host.cpp
@@ -7,6 +7,9 @@
 
 // REQUIRES: aspect-usm_host_allocations
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_RECORD_REPLAY
 
 #include "../Inputs/basic_usm_host.cpp"
diff --git a/sycl/test-e2e/Graph/RecordReplay/basic_usm_mixed.cpp b/sycl/test-e2e/Graph/RecordReplay/basic_usm_mixed.cpp
index 002a5a5de3058..ef4243ce860ca 100644
--- a/sycl/test-e2e/Graph/RecordReplay/basic_usm_mixed.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/basic_usm_mixed.cpp
@@ -8,6 +8,9 @@
 // REQUIRES: aspect-usm_host_allocations
 // REQUIRES: aspect-usm_shared_allocations
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_RECORD_REPLAY
 
 #include "../Inputs/basic_usm_mixed.cpp"
diff --git a/sycl/test-e2e/Graph/RecordReplay/basic_usm_shared.cpp b/sycl/test-e2e/Graph/RecordReplay/basic_usm_shared.cpp
index 5b1ca3f656597..b785060c7c7c7 100644
--- a/sycl/test-e2e/Graph/RecordReplay/basic_usm_shared.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/basic_usm_shared.cpp
@@ -7,6 +7,9 @@
 
 // REQUIRES: aspect-usm_shared_allocations
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_RECORD_REPLAY
 
 #include "../Inputs/basic_usm_shared.cpp"
diff --git a/sycl/test-e2e/Graph/RecordReplay/host_task2_multiple_roots.cpp b/sycl/test-e2e/Graph/RecordReplay/host_task2_multiple_roots.cpp
index f79329727f97d..ac12fbf5ca679 100644
--- a/sycl/test-e2e/Graph/RecordReplay/host_task2_multiple_roots.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/host_task2_multiple_roots.cpp
@@ -11,6 +11,9 @@
 // Windows
 // UNSUPPORTED: cuda && windows
 
+// Test is flaky on Windows for all targets, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_RECORD_REPLAY
 
 #include "../Inputs/host_task2_multiple_roots.cpp"
diff --git a/sycl/test-e2e/Graph/RecordReplay/host_task_multiple_deps.cpp b/sycl/test-e2e/Graph/RecordReplay/host_task_multiple_deps.cpp
index 2b00f1df3a4ae..a099d75047cd9 100644
--- a/sycl/test-e2e/Graph/RecordReplay/host_task_multiple_deps.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/host_task_multiple_deps.cpp
@@ -7,6 +7,9 @@
 
 // REQUIRES: aspect-usm_shared_allocations
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_RECORD_REPLAY
 
 #include "../Inputs/host_task_multiple_deps.cpp"
diff --git a/sycl/test-e2e/Graph/RecordReplay/host_task_multiple_roots.cpp b/sycl/test-e2e/Graph/RecordReplay/host_task_multiple_roots.cpp
index 20bb2f45d5ffd..f8fb1b1f655ce 100644
--- a/sycl/test-e2e/Graph/RecordReplay/host_task_multiple_roots.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/host_task_multiple_roots.cpp
@@ -11,6 +11,9 @@
 // Windows
 // UNSUPPORTED: cuda && windows
 
+// Test is flaky on Windows for all targets, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_RECORD_REPLAY
 
 #include "../Inputs/host_task_multiple_roots.cpp"
diff --git a/sycl/test-e2e/Graph/RecordReplay/multiple_exec_graphs.cpp b/sycl/test-e2e/Graph/RecordReplay/multiple_exec_graphs.cpp
index 7cda987cfb11d..02f6b1dc1c231 100644
--- a/sycl/test-e2e/Graph/RecordReplay/multiple_exec_graphs.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/multiple_exec_graphs.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #define GRAPH_E2E_RECORD_REPLAY
 
diff --git a/sycl/test-e2e/Graph/RecordReplay/queue_constructor_usm.cpp b/sycl/test-e2e/Graph/RecordReplay/queue_constructor_usm.cpp
index ce4d814e2f8c5..96bbcee75474c 100644
--- a/sycl/test-e2e/Graph/RecordReplay/queue_constructor_usm.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/queue_constructor_usm.cpp
@@ -5,6 +5,9 @@
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
+
 #define GRAPH_E2E_RECORD_REPLAY
 
 #include "../Inputs/queue_constructor_usm.cpp"
diff --git a/sycl/test-e2e/Graph/RecordReplay/queue_shortcuts.cpp b/sycl/test-e2e/Graph/RecordReplay/queue_shortcuts.cpp
index d5bb75bc3a82f..29231c063c424 100644
--- a/sycl/test-e2e/Graph/RecordReplay/queue_shortcuts.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/queue_shortcuts.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #define GRAPH_E2E_RECORD_REPLAY
 
diff --git a/sycl/test-e2e/Graph/RecordReplay/sub_graph.cpp b/sycl/test-e2e/Graph/RecordReplay/sub_graph.cpp
index e5b3149b1af86..58f17f0578d73 100644
--- a/sycl/test-e2e/Graph/RecordReplay/sub_graph.cpp
+++ b/sycl/test-e2e/Graph/RecordReplay/sub_graph.cpp
@@ -4,7 +4,9 @@
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=0 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
 // Extra run to check for immediate-command-list in Level Zero
 // RUN: %if level_zero %{env SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %{l0_leak_check} %{run} %t.out 2>&1 | FileCheck %s --implicit-check-not=LEAK %}
-//
+
+// Test is flaky on Windows, disable until it can be fixed
+// UNSUPPORTED: windows
 
 #define GRAPH_E2E_RECORD_REPLAY