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Active Directory® Administrator's Pocket Consultant
book

Active Directory® Administrator's Pocket Consultant

by William Stanek
January 2009
Intermediate to advanced
352 pages
12h 35m
English
Microsoft Press
Content preview from Active Directory® Administrator's Pocket Consultant

Configuring the Windows Time Service

As discussed in Chapter 8, Windows uses Kerberos version 5 (v5) as the primary authentication mechanism. With Kerberos authentication, computers must have their time closely synchronized in order to be properly authenticated. By default, the maximum allowed time difference is 5 minutes. If the time difference is greater than this value, authentication will fail.

Although you could extend the allowable time difference through domain security policy by using the Kerberos policy Maximum Tolerance For Computer Clock Synchronization, doing so doesn’t get to the root cause of the time divergence. Whether computers are in a domain or workgroup setting, the root cause of time divergence is a lack of time synchronization, ...

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Publisher Resources

ISBN: 9780735626485Catalog PageErrata