identify When am connet the ap sonicwall site to site vpen remot its showing this log

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HI
When am connet the ap sonicwall site to site vpen remot its showing this log 

Wireless AP automatic software upgrade/downgrade has failed. May be a corrupted image was selected as a default. Please select another default image. This alarm will repeat while the system is in automatic mode: Wireless AP SN 14210748915V0000; failed image 09.12.01.0067.
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Mohammed Jasheer

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Posted 4 years ago

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Ronald Dvorak, Embassador

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Could you provide more information so I'd turn on my glass sphere....

- AP model
- is the tunnel from the AP to the controller a ....normal tunnel, control tunnel encryption, or both data/control tunnel encryption
- have you tried to reduce the AP MTU to 1300
- are all the required ports open on the VPN link i.e. FTP 69 both directions
- if you turn off AP automatic software upgrade is the tunnel stable to the AP
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Mohammed Jasheer

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Hi Ronald,
 

 The AP modal WS-AP3705i
We open all the ports on the VPN both direction and the tunnel from AP to controller is normal tunnel.