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Home > Success Center > Netflow Traffic Analyzer (NTA) > Error: Connection to NTA Flow Storage Database has been lost. NTA cannot save any flows now

Error: Connection to NTA Flow Storage Database has been lost. NTA cannot save any flows now

Created by Eric Bryant, last modified by Caroline Juszczak on Oct 10, 2017

Views: 217 Votes: 2 Revisions: 13

Updated December 8, 2015

Overview

The following error appears in NTA:

Connection to NTA Flow Storage Database has been lost. NTA cannot save any flows now.

 

Possible Errors:

INFO  FastbitCLR.Disk.VolumeFs - File 'C:\ProgramData\SolarWinds\NTA\FlowStorage\Data\Flows\_toBeDeleted\e3f78e64558747e7822a06fe63c22474' opened and marked for delete. Handle error code was '2'.
WARN  FastbitCLR.Disk.VolumeFs - File [C:\ProgramData\SolarWinds\NTA\FlowStorage\Data\Flows\_toBeDeleted\fc091fe2aee142869c0fe62d063b5e00] was marked for delete but failed to delete immediately, error code [5].

Environment

NTA 4.0 - 4.X.X

Cause 

 

- This issue occurs when NTA storage is about to reach full capacity or when an Antivirus application is scanning the flow storage folder and temp directory. 

Resolution

 

 

  1. Check that the flow storage directory on the flow storage server has enough space.
  2. Verify that the built-in Network Service Account has read and write access to the location of the NTA Flow Storage Database.
  3. Check if any antivirus application is turned on and actively scanning flow storage directories.
  4. Verify the directories that need to be excluded from antivirus protection. Refer to What files and directories should I exclude from antivirus protection to optimize performance and to ensure adequate file access for Orion products?
  5. Run NTA storage Configurator on the Orion NTA storage server.

 

 

 

Last modified
15:52, 10 Oct 2017

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