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Could not contact boot server

Occasional Visitor

Could not contact boot server

I have a set of Soundpoint 450 , one of them keep saying this messages "Could not contact boot server using existing application" . All have the same config so it is related to hardware?

anyway to solve it, i had reset de flash, format file system and install the bootROM again, and it keep displaying the same message and rebooting.

Message 1 of 4
Polycom Employee & Community Manager

Re: Could not contact boot server

Hello Ibertel,


welcome to the Polycom Community.


Please check the newly created FAQ => here <= and especially this post => here <=


Best Regards


Steffen Baier


Polycom Global Services

Please be aware:

The purpose of these forums is to allow community members collaborate and help each other.
Questions posted here do not follow Polycom’s SLA guidelines.
If you require assistance from Polycom technical support, please open a
web service request or call us .

The above is necessary in order to track issue internally within Polycom.

You are welcome to post more questions or configuration or logs for other community members to look at but if your issue requires a fix via Polycom you must go via the official support structure.

Please ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's

Please remember, if you see a post that helped you , and it answers your question, please mark it as an "Accept as Solution".

This forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Polycom employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and may be answered on weekends, bank holidays or personal holidays.
Message 2 of 4
Frequent Advisor

Re: Could not contact boot server

Check your DHCP Server option. If it Custom+Option66, enable DHCP Option66 on your DHCP server, or change to Static.

Message 3 of 4
Occasional Visitor

Re: Could not contact boot server

Also - don't forget to check your VLAN ID. If your phone is unable to conact the server, it could be having a hard time communicating its presence to the network properly. Once I changed this (default was blank on a brand new phone out of the box) to my server's VLAN ID, it started downloading a new bootROM, application, etc. like normal.

Message 4 of 4