Unable to join AD domain after installing August recommended solaris 10 patches:

kerberos_kinit_password xxxxxxxx@XX.XX-XX.XXXXXXX failed: Cannot contact any KDC for requested realm
ads_sasl_spnego_gensec_bind(KRB5) failed for ldap/xxxxxx.xx-xx.xx-xx.xxxx with user[user] realm=[REALM]: Cannot contact any KDC for requested realm
libnet_Join:
    libnet_JoinCtx: struct libnet_JoinCtx
        out: struct libnet_JoinCtx
            account_name             : NULL
            netbios_domain_name      : 'XX-XX'
            dns_domain_name          : 'xx-xx.xxx-01.xxxxxx'
            forest_name              : 'xx-xx.xxxxxx'
            dn                       : NULL
            domain_sid               : *
                domain_sid               : S-1-5-21-4173409042-2967358845-435531329
            modified_config          : 0x00 (0)
            error_string             : 'failed to connect to AD: Cannot contact any KDC for requested realm'
            domain_is_ad             : 0x01 (1)
            set_encryption_types     : 0x00000000 (0)
            result                   : WERR_DEFAULT_JOIN_REQUIRED
Failed to join domain: failed to connect to AD: Cannot contact any KDC for requested realm
return code = -1

Any ideas?
Thank you