Step 1: Navigate to Start > Control Panel > Mail.
Step 2: Click on Show Profiles.
Step 3: Select your current profile, and then select Properties.
Step 4:Select E-mail Accounts and then select View or change existing e-mail accounts > Next.
Step 5: Select your Exchange account, and then select Change.
Step 6: Uncheck the Use Cached Exchange Mode check box, and then click Next.
Step 7: Click Finish.