diff --git a/bazel/experiments.bzl b/bazel/experiments.bzl
index 1bd377317c3..ae4e15060a5 100644
--- a/bazel/experiments.bzl
+++ b/bazel/experiments.bzl
@@ -27,12 +27,8 @@ EXPERIMENTS = {
             "core_end2end_test": [
                 "event_engine_listener",
                 "promise_based_client_call",
-                "promise_based_server_call",
                 "unique_metadata_strings",
             ],
-            "cpp_end2end_test": [
-                "promise_based_server_call",
-            ],
             "endpoint_test": [
                 "tcp_frame_size_tuning",
                 "tcp_rcv_lowat",
@@ -48,22 +44,26 @@ EXPERIMENTS = {
             "lame_client_test": [
                 "promise_based_client_call",
             ],
-            "logging_test": [
-                "promise_based_server_call",
-            ],
             "resource_quota_test": [
                 "free_large_allocator",
                 "memory_pressure_controller",
                 "unconstrained_max_quota_buffer_size",
             ],
-            "xds_end2end_test": [
-                "promise_based_server_call",
-            ],
         },
         "on": {
             "core_end2end_test": [
+                "promise_based_server_call",
                 "work_stealing",
             ],
+            "cpp_end2end_test": [
+                "promise_based_server_call",
+            ],
+            "logging_test": [
+                "promise_based_server_call",
+            ],
+            "xds_end2end_test": [
+                "promise_based_server_call",
+            ],
         },
     },
     "ios": {
@@ -76,12 +76,8 @@ EXPERIMENTS = {
             "core_end2end_test": [
                 "event_engine_listener",
                 "promise_based_client_call",
-                "promise_based_server_call",
                 "unique_metadata_strings",
             ],
-            "cpp_end2end_test": [
-                "promise_based_server_call",
-            ],
             "endpoint_test": [
                 "tcp_frame_size_tuning",
                 "tcp_rcv_lowat",
@@ -97,22 +93,26 @@ EXPERIMENTS = {
             "lame_client_test": [
                 "promise_based_client_call",
             ],
-            "logging_test": [
-                "promise_based_server_call",
-            ],
             "resource_quota_test": [
                 "free_large_allocator",
                 "memory_pressure_controller",
                 "unconstrained_max_quota_buffer_size",
             ],
-            "xds_end2end_test": [
-                "promise_based_server_call",
-            ],
         },
         "on": {
             "core_end2end_test": [
+                "promise_based_server_call",
                 "work_stealing",
             ],
+            "cpp_end2end_test": [
+                "promise_based_server_call",
+            ],
+            "logging_test": [
+                "promise_based_server_call",
+            ],
+            "xds_end2end_test": [
+                "promise_based_server_call",
+            ],
         },
     },
     "posix": {
@@ -129,12 +129,8 @@ EXPERIMENTS = {
                 "event_engine_client",
                 "event_engine_listener",
                 "promise_based_client_call",
-                "promise_based_server_call",
                 "unique_metadata_strings",
             ],
-            "cpp_end2end_test": [
-                "promise_based_server_call",
-            ],
             "endpoint_test": [
                 "tcp_frame_size_tuning",
                 "tcp_rcv_lowat",
@@ -153,9 +149,6 @@ EXPERIMENTS = {
             "lame_client_test": [
                 "promise_based_client_call",
             ],
-            "logging_test": [
-                "promise_based_server_call",
-            ],
             "resolver_component_tests_runner_invoker": [
                 "event_engine_dns",
             ],
@@ -164,14 +157,21 @@ EXPERIMENTS = {
                 "memory_pressure_controller",
                 "unconstrained_max_quota_buffer_size",
             ],
-            "xds_end2end_test": [
-                "promise_based_server_call",
-            ],
         },
         "on": {
             "core_end2end_test": [
+                "promise_based_server_call",
                 "work_stealing",
             ],
+            "cpp_end2end_test": [
+                "promise_based_server_call",
+            ],
+            "logging_test": [
+                "promise_based_server_call",
+            ],
+            "xds_end2end_test": [
+                "promise_based_server_call",
+            ],
         },
     },
 }
diff --git a/src/core/lib/experiments/experiments.cc b/src/core/lib/experiments/experiments.cc
index c7b177071d0..db1f587bc93 100644
--- a/src/core/lib/experiments/experiments.cc
+++ b/src/core/lib/experiments/experiments.cc
@@ -131,7 +131,7 @@ const ExperimentMetadata g_experiment_metadata[] = {
     {"free_large_allocator", description_free_large_allocator,
      additional_constraints_free_large_allocator, false, true},
     {"promise_based_server_call", description_promise_based_server_call,
-     additional_constraints_promise_based_server_call, false, true},
+     additional_constraints_promise_based_server_call, true, true},
     {"transport_supplies_client_latency",
      description_transport_supplies_client_latency,
      additional_constraints_transport_supplies_client_latency, false, true},
@@ -273,7 +273,7 @@ const ExperimentMetadata g_experiment_metadata[] = {
     {"free_large_allocator", description_free_large_allocator,
      additional_constraints_free_large_allocator, false, true},
     {"promise_based_server_call", description_promise_based_server_call,
-     additional_constraints_promise_based_server_call, false, true},
+     additional_constraints_promise_based_server_call, true, true},
     {"transport_supplies_client_latency",
      description_transport_supplies_client_latency,
      additional_constraints_transport_supplies_client_latency, false, true},
@@ -415,7 +415,7 @@ const ExperimentMetadata g_experiment_metadata[] = {
     {"free_large_allocator", description_free_large_allocator,
      additional_constraints_free_large_allocator, false, true},
     {"promise_based_server_call", description_promise_based_server_call,
-     additional_constraints_promise_based_server_call, false, true},
+     additional_constraints_promise_based_server_call, true, true},
     {"transport_supplies_client_latency",
      description_transport_supplies_client_latency,
      additional_constraints_transport_supplies_client_latency, false, true},
diff --git a/src/core/lib/experiments/experiments.h b/src/core/lib/experiments/experiments.h
index 3ccdd6f19f0..998d0a3b0ce 100644
--- a/src/core/lib/experiments/experiments.h
+++ b/src/core/lib/experiments/experiments.h
@@ -69,7 +69,8 @@ inline bool IsEventEngineClientEnabled() { return false; }
 inline bool IsMonitoringExperimentEnabled() { return true; }
 inline bool IsPromiseBasedClientCallEnabled() { return false; }
 inline bool IsFreeLargeAllocatorEnabled() { return false; }
-inline bool IsPromiseBasedServerCallEnabled() { return false; }
+#define GRPC_EXPERIMENT_IS_INCLUDED_PROMISE_BASED_SERVER_CALL
+inline bool IsPromiseBasedServerCallEnabled() { return true; }
 inline bool IsTransportSuppliesClientLatencyEnabled() { return false; }
 inline bool IsEventEngineListenerEnabled() { return false; }
 inline bool IsScheduleCancellationOverWriteEnabled() { return false; }
@@ -103,7 +104,8 @@ inline bool IsEventEngineClientEnabled() { return false; }
 inline bool IsMonitoringExperimentEnabled() { return true; }
 inline bool IsPromiseBasedClientCallEnabled() { return false; }
 inline bool IsFreeLargeAllocatorEnabled() { return false; }
-inline bool IsPromiseBasedServerCallEnabled() { return false; }
+#define GRPC_EXPERIMENT_IS_INCLUDED_PROMISE_BASED_SERVER_CALL
+inline bool IsPromiseBasedServerCallEnabled() { return true; }
 inline bool IsTransportSuppliesClientLatencyEnabled() { return false; }
 inline bool IsEventEngineListenerEnabled() { return false; }
 inline bool IsScheduleCancellationOverWriteEnabled() { return false; }
@@ -137,7 +139,8 @@ inline bool IsEventEngineClientEnabled() { return false; }
 inline bool IsMonitoringExperimentEnabled() { return true; }
 inline bool IsPromiseBasedClientCallEnabled() { return false; }
 inline bool IsFreeLargeAllocatorEnabled() { return false; }
-inline bool IsPromiseBasedServerCallEnabled() { return false; }
+#define GRPC_EXPERIMENT_IS_INCLUDED_PROMISE_BASED_SERVER_CALL
+inline bool IsPromiseBasedServerCallEnabled() { return true; }
 inline bool IsTransportSuppliesClientLatencyEnabled() { return false; }
 inline bool IsEventEngineListenerEnabled() { return false; }
 inline bool IsScheduleCancellationOverWriteEnabled() { return false; }
diff --git a/src/core/lib/experiments/rollouts.yaml b/src/core/lib/experiments/rollouts.yaml
index 910a6a768b2..b0d547ccd01 100644
--- a/src/core/lib/experiments/rollouts.yaml
+++ b/src/core/lib/experiments/rollouts.yaml
@@ -61,7 +61,7 @@
 - name: free_large_allocator
   default: false
 - name: promise_based_server_call
-  default: false
+  default: true
 - name: transport_supplies_client_latency
   default: false
 - name: event_engine_listener