https://community.extremenetworks.com/t5/extremeswitching-other/extreme-boss-os-stack-upgrade/m-p/97939#M4100 <P>Hai can anyone help how to upgrade bosss os switches in a stack (Avaya 4800) also how to replace a switch in stack with new one.</P><P>Also Password reset procedures in a BOSS OS stack</P> Wed, 15 Nov 2023 11:45:57 GMT johnie 2023-11-15T11:45:57Z https://community.extremenetworks.com/t5/extremeswitching-other/extreme-boss-os-stack-upgrade/m-p/97939#M4100 <P>Hai can anyone help how to upgrade bosss os switches in a stack (Avaya 4800) also how to replace a switch in stack with new one.</P><P>Also Password reset procedures in a BOSS OS stack</P> Wed, 15 Nov 2023 11:45:57 GMT https://community.extremenetworks.com/t5/extremeswitching-other/extreme-boss-os-stack-upgrade/m-p/97939#M4100 johnie 2023-11-15T11:45:57Z https://community.extremenetworks.com/t5/extremeswitching-other/extreme-boss-os-stack-upgrade/m-p/97941#M4101 <P>here are the instructions to upgrade an ERS switch.&nbsp;</P><P><A href="https://extreme-networks.my.site.com/ExtrArticleDetail?an=000080603&amp;q=how%20to%20upgrade%20BOSS" target="_blank">https://extreme-networks.my.site.com/ExtrArticleDetail?an=000080603&amp;q=how%20to%20upgrade%20BOSS</A></P><P>The instructions on how to replace a switch in a stack will be in the user manual.&nbsp; You will find that in the documents page.</P><P>Unfortunately the ERS4800 are end of life and are no longer supported by Extreme.&nbsp;</P><P>your best bet to is reboot the stack and interrupt the boot with a CONTROL+C and default the switches.</P><P>&nbsp;send me a DM if you have issues.</P> Wed, 15 Nov 2023 13:27:19 GMT https://community.extremenetworks.com/t5/extremeswitching-other/extreme-boss-os-stack-upgrade/m-p/97941#M4101 EXTR_Paul 2023-11-15T13:27:19Z