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Home > Success Center > Network Performance Monitor (NPM) > Receive false alerts due to time zone differences

Receive false alerts due to time zone differences

Created by Su-Lyn Rosenberry, last modified by Su-Lyn Rosenberry on Nov 14, 2016

Views: 731 Votes: 2 Revisions: 7

Overview

You may receive false alerts when your organization operates in different time zones.

Environment

  • Any Orion Platform product such as NPM or SAM

Cause 

The time zones are compared by name, which can result in false alerts due to time zone mismatches between Orion Engines and SQL Server.

Resolution

Set the time zone on all main and additional polling engines and websites to be the same as the time zone on the SQL Server.

First get your SQL Server's time zone:

  1. Run SQL Server Management Studio.
  2. Connect to your SQL Server.
  3. Open new query window.
  4. Run following Transact-SQL script, and record the results.
DECLARE @TimeZone VARCHAR(50)
EXEC master.dbo.xp_regread 'HKEY_LOCAL_MACHINE',
'SYSTEM\CurrentControlSet\Control\TimeZoneInformation',
'TimeZoneKeyName',@TimeZone OUT
SELECT @TimeZone

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Then set the time zone on your polling engines and additional websites.

  1. Run the Server Manager.
  2. Select the local server, and click Time zone.
  3. Click Change time zone.
  4. Select the same time zone as the SQL Server, and click OK.

Use the following steps if you are evaluating a SolarWinds installation on Windows 7 or 8.

  1. Click Start > Control Panel.
  2. Click Date and Time > Change time zone.
  3. Set specific time zone, and click OK.

 

 

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