These release notes provide additional guidance for SolarWinds NetFlow Traffic Analyzer (NTA) v4.1.
Note: NTA 4.1 requires SolarWinds NPM 11.0 or newer. Make sure you upgrade NPM before you start upgrading to NTA 4.1.
For more details about upgrading NTA, see:
NTA version 4.1 includes the following new features and improvements:
|Unknown traffic in Types of Service resource.||575067|
|Incorrect NetFlow reporting on Juniper switches.||334385|
|IPFIX not processed correctly in some cases.||N/A|
|Upgrading the main poller to NTA 4.0.3 first should not be allowed.||N/A|
|Endpoint hostnames must comply with the RFC 952 standard; endpoint names containing other than the following characters ||N/A|
|High CPU utilization during CBQoS polling.||N/A|
|NTA Service or NTA Flow Storage Service may take long to start or stop.||N/A|
|NTA Service or NTA Flow Storage Service occupy high amount of memory for long retention periods and/or high amount of stored flows.||N/A|
|Location of the backup folder needs to be different from the location of NTA Flow Storage Database.||N/A|
|Update of historical data for applications using IP groups does not work in some cases.||N/A|
|Performance Improvements for updates of Applications with IP Groups.||N/A|
|After installing NTA 4.0, NetFlow data are not migrated to the NTA Flow Storage Database or are not being collected.||N/A|
|NTA Service (local NTA Flow Storage Database) or NTA Flow Storage Service will not start and keep bouncing. The Update.zip file is corrupted, the log file contains the "Unexpected EOF" error message.||N/A|
|Resources on an Additional website are not working.||N/A|
|Gaps in Flow Data when NTA and NTA Flow Storage Database Installed on the Same Server |
Workaround: This issue is caused by insufficient resources available on the server. To resolve the issue, move your NTA Flow Storage Database to a separate server. For more information, see Moving NTA Flow Storage Database.
|Cannot Display NTA Reports for Longer Time Periods due to Timeout||N/A|
|Upgrading a remote NTA Flow Storage Database to NTA 4.1 first might cause upgrade issues if your main poller is not running NPM 11.0 or newer. |
Warning: Make sure you upgrade NPM to version 11.0 or newer before you start upgrading NTA to 4.1.
|Database maintenance fails to remove some NTA Flow Storage Database partitions after the retention period.||N/A|
Historical Updates for Large Retention Periods Might Be Time-Consuming.
NTA 3.9 is entering the End-Of-Life (EOL) cycle. Please review the following support schedule:
See the SolarWinds EOL Policy online for more information.
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