How to Resolve Event ID 1005 Source MSExchangeSA Exchange 2007

Type: Error
Event: 1005
Agent Time: xxx
Event Time: xxx
Source: MSExchangeSA
Category: General
Username: N/A
Computer: xxx
Description: Unexpected error The Local Security Authority cannot be contacted ID no: 80090304 Microsoft Exchange System Attendant occurred.

Install Microsoft Windows 2003 Server Support Tools
Expand Configuration, expand Configuration
(CN=Configuration,DC=domain,DC=com), expand Services, and then expand
Microsoft Exchange.

Expand OrganizationName, expand Administrative Groups, expand
AdministrativeGroupName, and then expand Servers.

Right-click Server Name, and then click Properties.

Click the Security tab, verify that the server object is in the
list of accounts with rights, and then verify that the Allow check box for
Full Control is selected. If this permission is not selected, click to
select the Allow check box for Full Control, and then click OK.

Quit ADSI Edit.

Wait for the change to replicate among the domain controllers.

Start System Attendant.