Configure managed accounts in SharePoint 2010

•  Open Central Administration and click Security.
•  Navigate to General Security > Configure managed accounts.

 

  

 

• On the Managed Accounts page > Register Managed Account.

• Enter the service account credentials in the Account Registration section
• Mark Enable automatic password change check box in the Automatic Password Change section
• Also select Start notifying by e-mail check box which will send email notification before automatic password change takes place

• Click OK.