After much testing I have found a pattern:In my test lab, I was only using one power cable out of four to power up the 4510.It seems that if you have two 6000W power supplies installed and only power up the first one, the switch will report calendar ...
Of 5x 4500s that I am trying to take into production, I have 3 showing this error.*Dec 9 20:41:53.214: %C4K_S2W-4-WRITECALENDARERR: Calendar write operation Failed: NACK Dev Addr*Dec 9 20:41:53.214: %C4K_S2W-4-WRITECALENDARERR: Calendar write ope...