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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA 4.2.3 Administrator Guide > NTA Installation > Polling engine requirements

Polling engine requirements

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The following requirements ensure the scalability benefits of SolarWinds NTA:

Type Requirements
Operating system

64-bit operating system: Microsoft Windows Server 2008 and later

If you have more than one poller, make sure they are all installed on 64-bit operating systems.

SolarWinds NPM

Version 12.0

Databases

Microsoft SQL Server 2008 and later

SQL Server 2008 Express and earlier restricts the size of any database to 4 GB. For this reason, SolarWinds does not support using SQL Server 2008 Express and earlier with SolarWinds NTA in production environments.

In SQL Server 2008 R2 Express and later, Microsoft increased the restriction of maximum database size to 10 GB. You can use these versions in production environments if your flow storage requirements do not exceed 10 GB.

The NTA Flow Storage Database is where SolarWinds NTA stores your flow data. If you decide to store flows on a remote server, which SolarWinds recommends for production environments, you must install the NTA Flow Storage Database there first.

A connection to Orion SQL database is required, because CBQoS data and some additional low level details are still stored in Orion SQL database.

 
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