Event ID 129: NtpClient cannot resolve a domain peer to use as a time source
Event ID 129 means W32Time could not find a domain time peer through DNS. Repair the DC locator records and the time hierarchy so synchronisation resumes.
Event ID 129 and 153: iSCSI and SAN timeouts retry until the volume drops
Event ID 129 with 153 means the storage stack reset the adapter after slow I/O. Tune queue depth, MPIO and timeouts to stop volumes going offline.