Microsoft tests the 15-character limit of Windows Server admins' patience
Microsoft's May security update for Windows Server 2016 has introduced a bug affecting domain controller discovery. Specifically, if a server's hostname is exactly 15 characters long, it may prevent applications from locating the domain controller. Microsoft is investigating the issue but has not provided a workaround for affected users.
- ▪The May 12 security update introduced a bug for Windows Server 2016 administrators.
- ▪Hostnames that are exactly 15 characters long may cause domain controller discovery to fail.
- ▪Microsoft has not listed a workaround, but changing the hostname could avoid the issue.
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