Enterprise Vault Configuration Wizard fails with error "Unable to start the Windows NT Service"

Problem

The Enterprise Vault Configuration Wizard fails after selecting next when the user details have just been entered and error is

"Unable to start the windows NT service. The dependency service does not exist or has been marked for deletion. Enterprise Vault Directory Service"

Error Message

DTRACE Information:
To validate if this is the issue a DTRACE is needed, please perform the following steps on the EV server that has generated this error, while re-creating the issue.

• For more information about Symantec Enterprise Vault’s DTRACE Utility please see HOWTO57893.
• DTRACE the process EVRunDll for no less than 5 minutes while re-creating the issue.
• Open the log file created and search for either of the following the strings:

CAUIConfWizDirectoryPage::OnWizardNext: - Creating a new Enterprise Vault Directory database
CAUIConfigWizard::SCFG_Logging_Action: Logging action Write, buffer1: Creating a new Enterprise Vault Directory database
Creating a new Enterprise Vault Directory database
Globals : CheckAndQualifyNTAccount : DomainName\VSA : 1
CAUIServiceAccountPage::DoValidation - done csAccountname: vsa, csDomainName: DoaminName
CAUIServiceAccountPage::SaveProperties() - entering...
Globals : CompareStringSIDs : S-1-5-21-119672324-1620253172-3864890478-15208 : S-1-5-21-119672324-1620253172-3864890478-15208 : 1
Event ID: 4208 Anonymous Logon was added to the Launch and Activation Permissions Limits for COM Security on this computer.  This is required so that configuration changes can be made to Enterprise Vault components to allow for Anonymous access.
CAUIServiceAccountPage::DoCreateDirectoryService() SCMStartService completed, hr: Unspecified error

Cause

There is no Enterprie Vault Admin Service present which should have been installed during the install.

Solution

This issue can be resolved by re-running the EV binaries. Re-running the binaries will re-create the missing NT service on EV Server.

1. Check the EV Install log for the Admin Service issue and rectify the error.
2. Rerun the EV Binaries and reboot the EV Server. (Refer related )