Server maintenance restart

After a reboot of the application server and the web server we can no longer get to the Service Catalogue section. This is what happens. Has anyone seen this happen before? Where do i start to look to troubleshoot?

Thanks in advance.

There has been an unexpected error. Click Continue to return to the previous page.

The network path was not found.

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.Directory.InternalCreateDirectory(String fullPath, String path, Object dirSecurityObj, Boolean checkHost)
at System.IO.Directory.InternalCreateDirectoryHelper(String path, Boolean checkHost)
at Touchpaper.Framework.Search.FreeTextSearchFactory.GetIndexPath(String path)
at Touchpaper.Framework.Search.FreeTextSearchReader.CreateIndexSearcher(IFreeTextSearchQuery query)
at Touchpaper.Framework.Search.FreeTextSearchReader..ctor(IFreeTextSearchQuery query)
at Touchpaper.Framework.Search.FreeTextSearchFactory.CreateReader(IFreeTextSearchQuery query)
at Touchpaper.Web.Console.Controllers.SearchController.GetInitialClassifications(SearchParameters searchParameters)
at Touchpaper.Web.Console.Controllers.SearchController.CreateClassificationTree(SearchParameters parameters)
at Touchpaper.Web.Console.Controllers.SearchController.Search()
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.<>c__DisplayClass39.b__33()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.b__49()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.b__49()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.b__49()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.b__49()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.b__36(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.<>c__DisplayClass2a.b__20()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.b__22(IAsyncResult asyncResult)