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Date/Time: Thu, 26 Feb 2026 01:53:06 +0000



Secondary Instance Error

View Count: 28

[2026-02-25 10:07:58]
User198935 - Posts: 1
Dear Support Team,

For a while, I have been receiving an attached error from the server.

After this pop-up message emerges, Sierra gets connected on the following connection attempts.

Just in case you ask, another Sierra Chart is not open on any other device. (as far as I know)

Service Connection Error

Connection error message from service: Teton CME Routing | Logon error received from server: Secondary instance is not allowing connections to this server | Date-Time: 2026-02-25 10:01:31
Attachment Deleted.
imageSierra Error.png / V - Attached On 2026-02-25 10:05:50 UTC - Size: 11.45 KB - 6 views
[2026-02-25 14:50:24]
John - SC Support - Posts: 44806
Check the setting for "Global Settings >> Data/Trade Service Settings >> Main Settings >> Use Backup Connectivity as Primary". If this is set to "Yes", then change it to "No". Then select "OK" to close that window and select "File >> Reconnect" to reconnect to the data/trading services.

Otherwise, let us know if it is already set to "No".
For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing
[2026-02-25 14:54:23]
Sierra_Chart Engineering - Posts: 23027
If there is an error connecting to the primary server address, for Teton order routing, and then there is another connection, the second connection goes to the backup server which will reject the connection and you will get that error message. just ignore it.

It is not of a concern. It indicates a connectivity issue initially. But you will be routed through a backup connection.
Sierra Chart Support - Engineering Level

Your definitive source for support. Other responses are from users. Try to keep your questions brief and to the point. Be aware of support policy:
https://www.sierrachart.com/index.php?l=PostingInformation.php#GeneralInformation

For the most reliable, advanced, and zero cost futures order routing, use the Teton service:
Sierra Chart Teton Futures Order Routing
Date Time Of Last Edit: 2026-02-25 14:54:53

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