You might be tempted to navigate to the IIS settings and alter the identity in there:
![29-7-2011 Don't alter IIS app pool settings](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_uzMbxVke_lwLgdivxXYr-M7JnLUQjbDVGQ0cZp1POhSdYF9EJbftMTadebvyD4Afv8xcnNDuLXve1slx7JPxmahpeSD4nMGT2zvDDgLa093TwHNRzWYb2lvSvDsER60zw10FYwf5zMBvnkBk2RYoXttGG-6ny3oiXPpbxZfnWuagHMvg=s0-d)
This is not recommended.
It’s best practice to run application pools under a domain user account, i.e. SP_ServiceApps. This account is best managed using Managed Accounts.
To change the identity for an application pool, log into Central Administration and follow these steps:
![29-7-2011 Service Accounts in CA](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_sNw4f8EB8zzfx7lqdBlDkvXnPEx2p7gxxDgtO-KGQEoNP7wTFtR4sj7NRa02_pECnRjh_9fYsb3e1iHqsozGH4_Uj4N6aENIiEQGkdQcnx__41xMEhEuFUQxfUQfttPMWt3r_Xga_YW7c35pESblVPjDyg-Yt0tiw=s0-d)
This is not recommended.
It’s best practice to run application pools under a domain user account, i.e. SP_ServiceApps. This account is best managed using Managed Accounts.
To change the identity for an application pool, log into Central Administration and follow these steps:
- Go to Security and under General Security, click Configure Service Accounts.
- Select the application pool from the components drop-down listbox (1)
- Select the managed account (2) that you want to use as
the identity for this application pool, or register a new managed
account in SharePoint 2010, using the Register a new managed account link. - Click the OK button.
- You’ll be warned that this action requires an IIS reset on all servers, click OK.
- Perform a iisreset /noforce on all WFE servers in the farm.