diff --git a/src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway/GatewayTagProvisioner.cs b/src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway/GatewayTagProvisioner.cs
index 08e87f28..986f82ab 100644
--- a/src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway/GatewayTagProvisioner.cs
+++ b/src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway/GatewayTagProvisioner.cs
@@ -19,6 +19,16 @@ namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway;
 /// </remarks>
 public sealed class GatewayTagProvisioner : IHistorianProvisioning
 {
+    /// <summary>
+    ///     Storage rate (ms) stamped on every provisioned analog tag. The gateway's <c>EnsureTags</c> path
+    ///     maps this straight to the AVEVA SDK's <c>storageRateMs</c>, which requires a positive, quantized
+    ///     value (1000/5000/10000/…); the proto's <c>uint32</c> default of 0 makes the SDK throw
+    ///     <see cref="ArgumentOutOfRangeException"/> ("Storage rate must be &gt; 0 ms"), failing the whole
+    ///     provision. 1000 ms (1 s) matches the gateway's own live provisioner default and suits
+    ///     continuous-historization analog tags.
+    /// </summary>
+    private const uint DefaultStorageRateMs = 1000;
+
     private readonly IHistorianGatewayClient _client;
     private readonly ILogger<GatewayTagProvisioner> _logger;
 
@@ -58,6 +68,8 @@ public sealed class GatewayTagProvisioner : IHistorianProvisioning
                 // Proto string fields are non-nullable — coalesce absent metadata to empty.
                 EngineeringUnit = request.EngineeringUnit ?? string.Empty,
                 Description = request.Description ?? string.Empty,
+                // Required: a 0 storage rate makes the gateway's EnsureTags throw (see the constant).
+                StorageRateMs = DefaultStorageRateMs,
             });
         }
 
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests/GatewayTagProvisionerTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests/GatewayTagProvisionerTests.cs
index a98dad05..698d766c 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests/GatewayTagProvisionerTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests/GatewayTagProvisionerTests.cs
@@ -60,6 +60,25 @@ public sealed class GatewayTagProvisionerTests
         Assert.True(defs[0].HasDataType);
     }
 
+    [Fact]
+    public async Task Definition_carries_a_positive_storage_rate()
+    {
+        // Regression guard (R2-06 live gate): the gateway maps StorageRateMs straight to the AVEVA SDK's
+        // storageRateMs, which requires a positive value — the proto uint32 default of 0 makes EnsureTags
+        // throw ArgumentOutOfRangeException ("Storage rate must be > 0 ms"), silently failing EVERY
+        // historized-tag provision. A non-zero rate must always be stamped.
+        var fake = new FakeHistorianGatewayClient { EnsureTagsResult = new TagOperationResults() };
+        var p = Provisioner(fake);
+
+        await p.EnsureTagsAsync(
+            new[] { new HistorianTagProvisionRequest("Pump1.Temp", DriverDataType.Float32, null, null) },
+            TestContext.Current.CancellationToken);
+
+        var defs = fake.LastEnsureDefinitions!;
+        Assert.Single(defs);
+        Assert.True(defs[0].StorageRateMs > 0, "provisioned tags must carry a positive storage rate (0 fails EnsureTags).");
+    }
+
     [Fact]
     public async Task Maps_metadata_and_coalesces_null_metadata_to_empty()
     {
diff --git a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests/Live/GatewayLiveIntegrationTests.cs b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests/Live/GatewayLiveIntegrationTests.cs
index 1453d34a..484687d2 100644
--- a/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests/Live/GatewayLiveIntegrationTests.cs
+++ b/tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.Historian.Gateway.Tests/Live/GatewayLiveIntegrationTests.cs
@@ -103,6 +103,7 @@ public sealed class GatewayLiveIntegrationTests(GatewayLiveFixture fixture) : IC
                     DataType = HistorianDataType.Float,
                     EngineeringUnit = string.Empty,
                     Description = "OtOpcUa live validation sandbox",
+                    StorageRateMs = 1000, // 0 makes the gateway's EnsureTags throw (storageRateMs must be > 0).
                 },
             },
             ct);
@@ -345,6 +346,7 @@ public sealed class GatewayLiveIntegrationTests(GatewayLiveFixture fixture) : IC
                     DataType = HistorianDataType.Float,
                     EngineeringUnit = string.Empty,
                     Description = "OtOpcUa live validation retype probe (stage 1: Float)",
+                    StorageRateMs = 1000, // 0 makes the gateway's EnsureTags throw (storageRateMs must be > 0).
                 },
             },
             ct);
@@ -358,6 +360,7 @@ public sealed class GatewayLiveIntegrationTests(GatewayLiveFixture fixture) : IC
                     DataType = HistorianDataType.Int1,
                     EngineeringUnit = string.Empty,
                     Description = "OtOpcUa live validation retype probe (stage 2: Int1)",
+                    StorageRateMs = 1000, // 0 makes the gateway's EnsureTags throw (storageRateMs must be > 0).
                 },
             },
             ct);