Event 41293 Indexing Service start up error: Cannot read configuration file

Problem

Enterprise Vault (EV) Indexing service fails to start with Event ID 41293 logged stating Cannot read configuration file. EV Indexing service does not start if the EVIndexing folder from installation directory is missing or corrupted.

Error Message

The Enterprise vault indexing service on local computer started and then stopped. some services stop automatically if they are not in use by other services or program

The following Event ID 41293 is logged in the event viewer:

Source: Enterprise Vault
Event ID: 41293
Task Category: Index Admin Service
Level: Error
Description: An unexpected error has occurred.
Error Summary: Indexing Service start up error
Error Details: Filename: \\?\C:\Program Files (x86)\Enterprise Vault\EVIndexing\www\asp\web.config
Error: Cannot read configuration file
Reference: ServiceBaseEx::Run
Stack Trace:    at Microsoft.Web.Administration.Interop.AppHostWritableAdminManager.GetAdminSection(String bstrSectionName, String bstrSectionPath)
   at Microsoft.Web.Administration.Configuration.GetSectionInternal(ConfigurationSection section, String sectionPath, String locationPath)
   at Symantec.EnterpriseVault.Indexing.Admin.IndexingEngineMonitor.ConfigureIndexingApplication(ServerManager IISManager, String UserName, Configuration EVWebConfig)
   at Symantec.EnterpriseVault.Indexing.Admin.IndexingEngineMonitor.ConfigureWebSite()
   at Symantec.EnterpriseVault.Indexing.Admin.IndexAdminService.OnPerformStartup(Boolean HotRestart)
   at KVS.EnterpriseVault.Common.ServiceBaseEx.Run()
V-437-41293

Cause

The EVindexing folder within the Enterprise Vault installation directory is missing or corrupted.

Solution

Reset Indexing engine by following steps mention in article 100037911