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Updated:December 12, 2018
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SG350X, SG550XG: The active switch in the stack is stuck when unit is disconnected then reconnected
May 26, 2017
September 8, 2017
In some cases, a unit may not rejoin a stack after a switchover (from the original active switch to the standby switch) or when the unit is disconnected and then reconnected to stack.
This issue is fixed when you upgrade to the firmware version 18.104.22.168. To upgrade, click here for instructions.