diff --git a/source/packages/@aws-accelerator/accelerator/lib/stacks/customizations-stack.ts b/source/packages/@aws-accelerator/accelerator/lib/stacks/customizations-stack.ts
index 5b9d19386..65565c429 100644
--- a/source/packages/@aws-accelerator/accelerator/lib/stacks/customizations-stack.ts
+++ b/source/packages/@aws-accelerator/accelerator/lib/stacks/customizations-stack.ts
@@ -96,6 +96,16 @@ export class CustomizationsStack extends AcceleratorStack {
         const parameters = stackSet.parameters?.map(parameter => {
           return { parameterKey: parameter.name, parameterValue: parameter.value };
         });
+
+        const operationPreferences: cdk.CfnStackSet.OperationPreferencesProperty = {
+          failureToleranceCount: stackSet.operationPreferences?.failureToleranceCount,
+          failureTolerancePercentage: stackSet.operationPreferences?.failureTolerancePercentage,
+          maxConcurrentCount: stackSet.operationPreferences?.maxConcurrentCount,
+          maxConcurrentPercentage: stackSet.operationPreferences?.maxConcurrentPercentage,
+          regionConcurrencyType: stackSet.operationPreferences?.regionConcurrencyType,
+          regionOrder: stackSet.operationPreferences?.regionOrder,
+        };
+
         const stackSetObj = new cdk.aws_cloudformation.CfnStackSet(
           this,
           pascalCase(`${this.props.prefixes.accelerator}-Custom-${stackSet.name}`),
@@ -104,11 +114,7 @@ export class CustomizationsStack extends AcceleratorStack {
             stackSetName: stackSet.name,
             capabilities: stackSet.capabilities,
             description: stackSet.description,
-            operationPreferences: {
-              failureTolerancePercentage: 25,
-              maxConcurrentPercentage: 35,
-              regionConcurrencyType: 'PARALLEL',
-            },
+            operationPreferences: operationPreferences,
             stackInstancesGroup: [
               {
                 deploymentTargets: {
diff --git a/source/packages/@aws-accelerator/config/lib/common/types.ts b/source/packages/@aws-accelerator/config/lib/common/types.ts
index 36e6a3e2b..9ec6ec84e 100644
--- a/source/packages/@aws-accelerator/config/lib/common/types.ts
+++ b/source/packages/@aws-accelerator/config/lib/common/types.ts
@@ -393,6 +393,23 @@ export class Tag implements ITag {
   readonly value: string = '';
 }
 
+export interface IOperationPreferences {
+  failureToleranceCount?: number;
+  failureTolerancePercentage?: number;
+  maxConcurrentCount?: number;
+  maxConcurrentPercentage?: number;
+  regionConcurrencyType?: string;
+  regionOrder?: string[];
+}
+export class OperationPreferences implements IOperationPreferences {
+  readonly failureToleranceCount: number | undefined = undefined;
+  readonly failureTolerancePercentage: number = 25;
+  readonly maxConcurrentCount: number | undefined = undefined;
+  readonly maxConcurrentPercentage: number = 35;
+  readonly regionConcurrencyType: string = 'PARALLEL';
+  readonly regionOrder: string[] | undefined = undefined;
+}
+
 export interface ICfnParameter {
   name: string;
   value: string;
diff --git a/source/packages/@aws-accelerator/config/lib/customizations-config.ts b/source/packages/@aws-accelerator/config/lib/customizations-config.ts
index 5d39460a1..f651c08f2 100644
--- a/source/packages/@aws-accelerator/config/lib/customizations-config.ts
+++ b/source/packages/@aws-accelerator/config/lib/customizations-config.ts
@@ -76,6 +76,7 @@ export class CloudFormationStackSetConfig implements i.ICloudFormationStackSet {
   readonly regions: t.Region[] = ['us-east-1'];
   readonly template: string = '';
   readonly parameters: t.CfnParameter[] | undefined = undefined;
+  readonly operationPreferences: t.OperationPreferences | undefined = undefined;
   readonly dependsOn: string[] = [];
 }
 
diff --git a/source/packages/@aws-accelerator/config/lib/models/customizations-config.ts b/source/packages/@aws-accelerator/config/lib/models/customizations-config.ts
index 751bcbfb5..f218b7bd7 100644
--- a/source/packages/@aws-accelerator/config/lib/models/customizations-config.ts
+++ b/source/packages/@aws-accelerator/config/lib/models/customizations-config.ts
@@ -1583,6 +1583,10 @@ export interface ICloudFormationStackSet {
    * The parameters to be passed to the stackset.
    */
   readonly parameters?: t.ICfnParameter[];
+  /**
+   * The operational preferences of current stackset
+   */
+  readonly operationPreferences?: t.IOperationPreferences;
   /**
    * The other StackSets this StackSet depends on.
    * For stackset names you define here, a CloudFormation DependsOn attribute will be added between the resources.
diff --git a/source/packages/@aws-accelerator/config/lib/schemas/customizations-config.json b/source/packages/@aws-accelerator/config/lib/schemas/customizations-config.json
index 9e81941f0..e92d4eddc 100644
--- a/source/packages/@aws-accelerator/config/lib/schemas/customizations-config.json
+++ b/source/packages/@aws-accelerator/config/lib/schemas/customizations-config.json
@@ -501,6 +501,10 @@
           "$ref": "#/definitions/NonEmptyString",
           "description": "The friendly name that will be used as a base for the created CloudFormation StackSet Name. The name should not contain any spaces as this isn't supported by the Accelerator."
         },
+        "operationPreferences": {
+          "$ref": "#/definitions/IOperationPreferences",
+          "description": "The operational preferences of current stackset"
+        },
         "parameters": {
           "description": "The parameters to be passed to the stackset.",
           "items": {
@@ -1052,6 +1056,33 @@
       ],
       "type": "object"
     },
+    "IOperationPreferences": {
+      "additionalProperties": false,
+      "properties": {
+        "failureToleranceCount": {
+          "type": "number"
+        },
+        "failureTolerancePercentage": {
+          "type": "number"
+        },
+        "maxConcurrentCount": {
+          "type": "number"
+        },
+        "maxConcurrentPercentage": {
+          "type": "number"
+        },
+        "regionConcurrencyType": {
+          "type": "string"
+        },
+        "regionOrder": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
     "IPortfolioAssociatoinConfig": {
       "additionalProperties": false,
       "description": "Portfolio Associations configuration",