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Event ID 5<br />
<a href="http://www.eventid.net/display.asp?eventid=5&eventno=4193&source=Kerberos&phase=1" rel="ugc">http://www.eventid.net/display.asp?eventid=5&eventno=4193&source=Kerberos&phase=1</a><br />

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Event ID 5
http://www.eventid.net/display.asp?eventid=5&eventno=4193&source=Kerberos&phase=1 [http://www.eventid.net/display.asp?eventid=5&eventno=4193&source=Kerberos&phase=1]


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 DC server <br />
in services -&gt; windows time <br />
it is running.<br />
Mail server<br />
in services -&gt; windows time <br />
not runnin when i tried to start it this message appear<br />
COULD NOT START WINDOWS TIME SERICES IN LOCAL COMPUTER<br />
ERROR 1762: ATTEMPT WAS TO LOGON BUT NETWORK LOGON SERVICE WAS NOT START
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DC server
in services -> windows time
it is running.
Mail server
in services -> windows time
not runnin when i tried to start it this message appear
COULD NOT START WINDOWS TIME SERICES IN LOCAL COMPUTER
ERROR 1762: ATTEMPT WAS TO LOGON BUT NETWORK LOGON SERVICE WAS NOT START

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What account is is it set to run under? it should say system or Local
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What account is is it set to run under? it should say system or Local

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how to solve this: it appear in domain controller DC ,OWA and Exchange<br />
<br />
EVENT LOG ERROR:<br />
------------------<br />
event id: 5<br />
sources: Kerberos<br />
Description:<br />
<br />
The kerberos client received a KRB_AP_ERR_TKT_NYV error from the server &lt;server&gt;. This indicates that the ticket used against that server is not yet valid (in relationship to that server time). Contact your system administrator to make sure the client and server times are in sync and that the KDC in realm &lt;domain&gt; is in sync with the KDC in the client realm. 
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how to solve this: it appear in domain controller DC ,OWA and Exchange

EVENT LOG ERROR:
------------------
event id: 5
sources: Kerberos
Description:

The kerberos client received a KRB_AP_ERR_TKT_NYV error from the server <server>. This indicates that the ticket used against that server is not yet valid (in relationship to that server time). Contact your system administrator to make sure the client and server times are in sync and that the KDC in realm <domain> is in sync with the KDC in the client realm. 

Event log error  ID 5 Kerberos -2003

Operating system security (OS security) is the process of ensuring OS integrity, confidentiality and availability. OS security refers to specified steps or measures used to protect the OS from threats, viruses, worms, malware or remote hacker intrusions. OS security encompasses all preventive-control techniques, which safeguard any computer assets capable of being stolen, edited or deleted if OS security is compromised, including authentication, passwords and threats to systems and programs.

OS Security

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.