RESOLUTION 1:
Try increasing the kdc_timeout value before running the join command again:
# /opt/quest/bin/vastool configure vas libdefaults kdc_timeout 15
If this value allows the join to complete then investigate both the network and Active Directory environment to determine why the delay is occurring.
RESOLUTION 2:
Ensure that he following ports are open between the client and domain controllers:
88 - TCP/ UDP (Kerberos traffic)
389 - TCP (Kerberized LDAP - queries)
389 - UDP (Kerberized LDAP - ping)
464 - TCP (Kerberos - password changes)
3268 - TCP (Global Catalog LDAP)