Ran the command net stop kdc.
Then we ran klist purge and klist purge -li 0x3e7 to purge out the existing tickets.
After that we ran teh command "netdom resetpwd /s:pdc.pdc.com /ud:pdc\administrator /pd:*" to reset the secure channel.
It got successfully reseted.
Tried to access the shares of the server ckc1 and we were able to access the shares.
Started the kdc service.
Ran the repadmin /syncall /AedPq on the DC
there was no errors this time .
Also repadmn /replsum was clear.