Submit a ticketCall us

Solarwinds & Cisco Live! Barcelona
Join us from the 29th of January to the 2nd of February at Cisco Live 2018 in Barcelona, where we will continue to show how monitoring the network with SolarWinds will keep you ahead of the game. At our booth (WEP 1A), we will demonstrate how SolarWinds network solutions can help. As a bonus, we are also hosting a pre-event webinar - Blame the Network, Hybrid IT Edition with our SolarWinds Head Geek™, Patrick Hubbard on January 24th - GMT (UTC+0): 10:00 a.m. to 11:00 a.m. There's still time to RSVP.

Home > Success Center > Netflow Traffic Analyzer (NTA) > Flapping connection to NTA Flow Storage Database

Flapping connection to NTA Flow Storage Database

Updated October 16, 2017

Overview

The Netflow Collector Service and connection to the NTA Flow Storage Database is flapping, losing and restoring connection repeatedly.

 

NTA Events:

 8/14/2017 1:13 PM   Connection to NTA Flow Storage Database has been lost. NTA cannot save any flows now. 
 8/14/2017 1:14 PM   Connection to NTA Flow Storage Database has been restored. 

 

NTA.BusinessLayer.log

 2017-08-14 13:27:31,190 [95] ERROR SolarWinds.Orion.NetFlow.Service.Program - NetFlowService Disk free space information: Temp - [C:] - 32960266240 bytes free, DB - [C:] - 32960266240 bytes free
2017-08-14 13:27:31,190 [95] ERROR SolarWinds.Orion.Common.SWEventLogging - Unhandled exception - Disk free space information [Temp - [C:] - 32960266240 bytes free, DB - [C:] - 32960266240 bytes free] : The number of WaitHandles must be less than or equal to 64.

 

Environment

  • NTA 4.x

 

Cause 

NTA collector is configured with more than 64 collection ports. The limit of collection ports per collector is 64.

 

Resolution

Edit collection ports and limit it to 64 only.

 

 

Last modified

Tags

Classifications

Public