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03.12.2007 at 01:34AM PDT, ID: 22442795
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Attachment Details

LDAP Bind was unsuccessful - Event ID 8026

Asked by ZAK360 in Active Directory, ISPs & Web Hosting, Exchange Email Server

Tags: 8026, event, ldap, id, bind

Dear All,

I'm facing some serious problem with exchange 2003 (SP2) server, almost two - three times a day we cant able to connect exchange server. I check the event logs and it logs event id 8026 LDAP on every 15 sec.

Event Type:      Error
Event Source:      MSExchangeAL
Event Category:      LDAP Operations
Event ID:      8026
Date:            3/7/2007
Time:            12:50:44 AM
User:            N/A
Computer:      EMAILSERVER
Description:
LDAP Bind was unsuccessful on directory dataserver.atlantis.co.ae for distinguished name ''. Directory returned error:[0x51] Server Down.  DC=atlantis,DC=co,DC=ae

For more information, click http://www.microsoft.com/contentredirect.asp.

Scenario::
We have two windows 2000 server namely dc1 and dc2 (these are not the real names). dc1 is the primary domain controller and dc2 is additional domain controller. DNS is configured on dc1.
We have one exchange 2003 (SP2) server join the above domain.

I feel that the problem is occuring after we migrated from Ex2000 (dc2 - previously beside additional domain controller was also acting as an Ex2000 server) to Ex2003 on the new server.

However if i refres and reload the DNS on dc1 the problem gets rectified and will not generate for next 5 - 6 hours but sometime it may generate after 2 hours,, we cant predict at all.

Please let me know what causing the problem
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[+][-]03.12.2007 at 01:53AM PDT, ID: 18700478

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[+][-]03.12.2007 at 01:59AM PDT, ID: 18700496

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[+][-]03.12.2007 at 02:53AM PDT, ID: 18700663

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[+][-]03.12.2007 at 03:03AM PDT, ID: 18700686

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[+][-]03.12.2007 at 04:07AM PDT, ID: 18700958

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[+][-]03.12.2007 at 04:10AM PDT, ID: 18700976

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[+][-]03.12.2007 at 05:30AM PDT, ID: 18701283

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[+][-]03.12.2007 at 06:34AM PDT, ID: 18701735

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[+][-]03.12.2007 at 06:52AM PDT, ID: 18701914

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About this solution

Zones: Active Directory, ISPs & Web Hosting, Exchange Email Server
Tags: 8026, event, ldap, id, bind
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Solution Provided By: The_Kirschi
Participating Experts: 2
Solution Grade: B
 
 
[+][-]03.12.2007 at 10:55PM PDT, ID: 18707975

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[+][-]03.13.2007 at 02:23AM PDT, ID: 18708659

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[+][-]03.19.2007 at 03:41AM PDT, ID: 18747078

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