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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA - Knowledgebase Articles > NTA 4.2 upgrade error: Cannot connect to NTA Flow Storage Database

NTA 4.2 upgrade error: Cannot connect to NTA Flow Storage Database

Updated August 13, 2018


This article provides brief information and steps to resolve the following NTA 4.2 upgrade error after the upgrade to NPM 12.0:

Cannot connect to NTA Flow Storage Database


In this scenario, NTA 4.1.2 was installed and the install was never completed successfully for NPM 12.0. NTA install on the application server displays the following error:


The Configuration wizard displays the following error when trying to uninstall NTA 4.1.2:

Connection to SolarWinds Information Service did not succeed.  Last error:  The socket connection was aborted.  This could be caused by an error processing your message or a receive timeout being exceeded by the remote host, or an underlying network resource issue.  Local socket timeout was '##:##:##:#######'


  • NPM 12
  • NTA 4.2


.NetFramework 4.6.1 is causing this issue due to an old MD5 certificate.


1. Uninstall .NetFramework 4.6 on both the Application server and the Flow Storage database server.

2. Reboot the server.

3. Install .NetFramework 4.5.2.

4. Run the Configuration wizard. 

5. Run the NTA 4.2 installer.




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