diff --git a/package.json b/package.json
index 8331bce..af8be6f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lambdatest/smartui-cli",
-  "version": "4.1.19",
+  "version": "4.1.20",
   "description": "A command line interface (CLI) to run SmartUI tests on LambdaTest",
   "files": [
     "dist/**/*"
diff --git a/src/lib/ctx.ts b/src/lib/ctx.ts
index 94bc258..79fcd09 100644
--- a/src/lib/ctx.ts
+++ b/src/lib/ctx.ts
@@ -1,7 +1,7 @@
 import { Context, Env, WebConfig, MobileConfig, basicAuth, tunnelConfig } from '../types.js'
 import constants from './constants.js'
 import { version } from '../../package.json'
-import { validateConfig } from './schemaValidation.js'
+import { validateConfig, validateConfigForScheduled } from './schemaValidation.js'
 import logger from './logger.js'
 import getEnv from './env.js'
 import httpClient from './httpClient.js'
@@ -36,9 +36,11 @@ export default (options: Record<string, string>): Context => {
                 delete config.web.resolutions;
             }
 
+            let validateConfigFn = options.scheduled ? validateConfigForScheduled : validateConfig;
+
             // validate config
-            if (!validateConfig(config)) {
-                throw new Error(validateConfig.errors[0].message);
+            if (!validateConfigFn(config)) {
+                throw new Error(validateConfigFn.errors[0].message);
             }
         } else {
             logger.info("## No config file provided. Using default config.");
diff --git a/src/lib/schemaValidation.ts b/src/lib/schemaValidation.ts
index bb3ea0a..18710f7 100644
--- a/src/lib/schemaValidation.ts
+++ b/src/lib/schemaValidation.ts
@@ -763,4 +763,41 @@ export const validateWebStaticConfig = ajv.compile(WebStaticConfigSchema);
 export const validateSnapshot = ajv.compile(SnapshotSchema);
 export const validateFigmaDesignConfig = ajv.compile(FigmaDesignConfigSchema);
 export const validateWebFigmaConfig = ajv.compile(FigmaWebConfigSchema);
-export const validateAppFigmaConfig = ajv.compile(FigmaAppConfigSchema);
\ No newline at end of file
+export const validateAppFigmaConfig = ajv.compile(FigmaAppConfigSchema);
+
+export const validateConfigForScheduled = (config: any) => {
+    validateConfigForScheduled.errors = null;
+    
+    
+    if (!validateConfig(config)) {
+        
+        let errors = validateConfig.errors || [];
+        
+        errors = errors.filter(error => {
+            const message = error.message || '';
+            return !message.includes('max unique viewports allowed - 5')
+        });
+        
+        if (config.web && config.web.viewports && Array.isArray(config.web.viewports)) {
+            if (config.web.viewports.length > 8) {
+                errors.push({
+                    message: "Invalid config; max unique viewports allowed - 8 (scheduled build)",
+                    keyword: "maxItems",
+                    instancePath: "/web/viewports",
+                    schemaPath: "#/properties/web/properties/viewports/maxItems"
+                } as any);
+            }
+        }
+    
+        // If there are any errors remaining, set them and return false
+        if (errors.length > 0) {
+            validateConfigForScheduled.errors = errors;
+            return false;
+        }
+    }
+    
+    return true;
+};
+
+// Initialize the errors property
+validateConfigForScheduled.errors = null;