diff --git a/lib/PowerShell/Constants.js b/lib/PowerShell/Constants.js
index 49ab99a7..e47bba72 100644
--- a/lib/PowerShell/Constants.js
+++ b/lib/PowerShell/Constants.js
@@ -2,7 +2,7 @@
 Object.defineProperty(exports, "__esModule", { value: true });
 class Constants {
 }
-exports.Constants = Constants;
+exports.default = Constants;
 Constants.prefix = "az_";
 Constants.moduleName = "Az.Accounts";
 Constants.versionPattern = /[0-9]\.[0-9]\.[0-9]/;
diff --git a/lib/PowerShell/ServicePrincipalLogin.js b/lib/PowerShell/ServicePrincipalLogin.js
index ef4e60e6..9dadd9e3 100644
--- a/lib/PowerShell/ServicePrincipalLogin.js
+++ b/lib/PowerShell/ServicePrincipalLogin.js
@@ -23,7 +23,7 @@ const core = __importStar(require("@actions/core"));
 const Utils_1 = __importDefault(require("./Utilities/Utils"));
 const PowerShellToolRunner_1 = __importDefault(require("./Utilities/PowerShellToolRunner"));
 const ScriptBuilder_1 = __importDefault(require("./Utilities/ScriptBuilder"));
-const Constants_1 = require("./Constants");
+const Constants_1 = __importDefault(require("./Constants"));
 class ServicePrincipalLogin {
     constructor(servicePrincipalId, servicePrincipalKey, tenantId, subscriptionId) {
         this.servicePrincipalId = servicePrincipalId;
@@ -34,14 +34,14 @@ class ServicePrincipalLogin {
     initialize() {
         return __awaiter(this, void 0, void 0, function* () {
             Utils_1.default.setPSModulePath();
-            const azLatestVersion = yield Utils_1.default.getLatestModule(Constants_1.Constants.moduleName);
+            const azLatestVersion = yield Utils_1.default.getLatestModule(Constants_1.default.moduleName);
             core.debug(`Az Module version used: ${azLatestVersion}`);
-            Utils_1.default.setPSModulePath(`${Constants_1.Constants.prefix}${azLatestVersion}`);
+            Utils_1.default.setPSModulePath(`${Constants_1.default.prefix}${azLatestVersion}`);
         });
     }
     login() {
         return __awaiter(this, void 0, void 0, function* () {
-            PowerShellToolRunner_1.default.init();
+            yield PowerShellToolRunner_1.default.init();
             const scriptBuilder = new ScriptBuilder_1.default();
             const script = scriptBuilder.getScript(ServicePrincipalLogin.scheme, this.tenantId, this.servicePrincipalId, this.servicePrincipalKey, this.subscriptionId, ServicePrincipalLogin.environment, ServicePrincipalLogin.scopeLevel);
             PowerShellToolRunner_1.default.executePowerShellCommand(script);
@@ -49,6 +49,6 @@ class ServicePrincipalLogin {
     }
 }
 exports.ServicePrincipalLogin = ServicePrincipalLogin;
-ServicePrincipalLogin.environment = Constants_1.Constants.environment;
-ServicePrincipalLogin.scopeLevel = Constants_1.Constants.scopeLevel;
-ServicePrincipalLogin.scheme = Constants_1.Constants.scheme;
+ServicePrincipalLogin.environment = Constants_1.default.environment;
+ServicePrincipalLogin.scopeLevel = Constants_1.default.scopeLevel;
+ServicePrincipalLogin.scheme = Constants_1.default.scheme;
diff --git a/lib/PowerShell/Utilities/Utils.js b/lib/PowerShell/Utilities/Utils.js
index d23b998e..70dba97b 100644
--- a/lib/PowerShell/Utilities/Utils.js
+++ b/lib/PowerShell/Utilities/Utils.js
@@ -20,7 +20,7 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 const os = __importStar(require("os"));
-const Constants_1 = require("../Constants");
+const Constants_1 = __importDefault(require("../Constants"));
 const PowerShellToolRunner_1 = __importDefault(require("./PowerShellToolRunner"));
 class Utils {
     static getLatestModule(moduleName) {
@@ -37,7 +37,7 @@ class Utils {
                     }
                 }
             };
-            PowerShellToolRunner_1.default.init();
+            yield PowerShellToolRunner_1.default.init();
             yield PowerShellToolRunner_1.default.executePowerShellCommand(`(Get-Module -Name ${moduleName} -ListAvailable | Sort-Object Version -Descending | Select-Object -First 1).Version.ToString()`, options);
             if (!Utils.isValidVersion(output.trim())) {
                 return "";
@@ -46,7 +46,7 @@ class Utils {
         });
     }
     static isValidVersion(version) {
-        return !!version.match(Constants_1.Constants.versionPattern);
+        return !!version.match(Constants_1.default.versionPattern);
     }
     static setPSModulePath(azPSVersion = "") {
         let modulePath = "";
diff --git a/src/PowerShell/Constants.ts b/src/PowerShell/Constants.ts
index f8f6036a..2e85a96e 100644
--- a/src/PowerShell/Constants.ts
+++ b/src/PowerShell/Constants.ts
@@ -1,4 +1,4 @@
-export class Constants {
+export default class Constants {
     static readonly prefix: string = "az_";
     static readonly moduleName: string = "Az.Accounts";
     static readonly versionPattern = /[0-9]\.[0-9]\.[0-9]/;
diff --git a/src/PowerShell/ServicePrincipalLogin.ts b/src/PowerShell/ServicePrincipalLogin.ts
index 5b291c0a..7760e97c 100644
--- a/src/PowerShell/ServicePrincipalLogin.ts
+++ b/src/PowerShell/ServicePrincipalLogin.ts
@@ -3,7 +3,7 @@ import * as core from '@actions/core';
 import Utils from './Utilities/Utils';
 import PowerShellToolRunner from './Utilities/PowerShellToolRunner';
 import ScriptBuilder from './Utilities/ScriptBuilder';
-import { Constants } from './Constants';
+import Constants from './Constants';
 
 export class ServicePrincipalLogin implements IAzurePowerShellSession {
     static readonly environment: string = Constants.environment;
@@ -29,7 +29,7 @@ export class ServicePrincipalLogin implements IAzurePowerShellSession {
     }
 
     async login() {
-        PowerShellToolRunner.init();
+        await PowerShellToolRunner.init();
         const scriptBuilder: ScriptBuilder = new ScriptBuilder();
         const script: string = scriptBuilder.getScript(ServicePrincipalLogin.scheme, this.tenantId, this.servicePrincipalId, this.servicePrincipalKey, 
             this.subscriptionId, ServicePrincipalLogin.environment, ServicePrincipalLogin.scopeLevel);
diff --git a/src/PowerShell/Utilities/Utils.ts b/src/PowerShell/Utilities/Utils.ts
index a3e62590..9d0efca3 100644
--- a/src/PowerShell/Utilities/Utils.ts
+++ b/src/PowerShell/Utilities/Utils.ts
@@ -2,7 +2,7 @@ import * as os from 'os';
 import * as exec from '@actions/exec';
 import * as io from '@actions/io';
 
-import { Constants } from '../Constants';
+import Constants from '../Constants';
 import PowerShellToolRunner from './PowerShellToolRunner';
 
 export default class Utils {
@@ -19,7 +19,7 @@ export default class Utils {
                 }
             }
         };
-        PowerShellToolRunner.init();
+        await PowerShellToolRunner.init();
         await PowerShellToolRunner.executePowerShellCommand(`(Get-Module -Name ${moduleName} -ListAvailable | Sort-Object Version -Descending | Select-Object -First 1).Version.ToString()`, options);
         if(!Utils.isValidVersion(output.trim())) {
             return "";