JSI Tip 2806. Write Cache is disabled when I promote a server?

After you promote a server to a domain controller, you may receive the following Directory Service log event:

Event Type: Warning
Event Source: NTDS General
Event Category: Service Control
Event ID: 1094
Date:  9/5/2000
Time:  7:53:14 AM
User:  N/A
Computer: <Computer Name>
Description:
Disk write caching on drive <Drive:> has been disabled to prevent possible data
loss during system failures.

The System event log may contain:

Event Type: Warning
Event Source: Disk
Event Category: None
Event ID: 34
Date:  9/5/2000
Time:  7:53:14 AM
User:  N/A
Computer: <Computer Name>
Description:
The driver disabled the write cache on device \Device\Harddisk0\DR0.
Data:
0000: 0f 00 04 00 01 00 62 00   ......b.
0008: 00 00 00 00 22 00 04 80   ...."..€
0010: 01 00 00 00 00 00 00 00   ........
0018: 00 00 00 00 00 00 00 00   ........
0020: 00 00 00 00 00 00 00 00   ........
0028: 00 00 00 00               ....

These warnings are expected behavior.