Error 4521 Dns
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4521 on a Windows Server domain controller You may encounter error 4521 (source: Microsoft-Windows-DNS-Server-Service) in the DNS Server event log of a Windows Server domain controller (DC) that is also a dns error 32 DNS server. The text of the error description is similar to the following:
Dns Error 9002
The DNS server encountered error
Dns Error 4004
to load this zone again on the next timeout cycle. This can be caused by high Active Directory load and may be a transient condition. The error code may vary, and
Dns Error 6702
will be the name of an Active Directory-integrated DNS zone hosted on the server that generated the error. The following are a few steps to take when troubleshooting this particular error: Determine how frequently the error appears in the DNS event log. If it only occurs rarely, it may not indicate a problem but merely a transient condition as stated in the error description. This dns event 4521 is especially true if the error only appears during or immediately after a reboot of the DC. Active Directory is often particularly busy immediately after a reboot, especially on a DC that holds one or more FSMO roles, so loading of the zone in the error may have simply been preempted by other tasks. If the error occurs fairly frequently and not only around the time of a reboot, check the DNS console to see whether the zone in the error can be viewed and/or modified. If the zone and its contents appear normal and you are able to create and delete a test record within it, the error is still likely not indicative of a serious problem, though it may indicate that a particular DC is overburdened. Determine whether the zone mentioned in the error is still in use in the environment. If the zone is no longer needed, it is possible that an Active Directory replication issue or improper domain-controller demotion, which may have since been resolved, has left a remnant of the zone in Active Directory. If this is the case, see Deleting the Zone using ADSI Ed
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for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for https://www.experts-exchange.com/questions/28412049/DNS-error-4521.html a Full Time Job Ways to Get Help Expand Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > http://outwardtruth.com/SUPPORT/eventid4521.htm Questions > DNS error 4521 Want to Advertise Here? Solved DNS error 4521 Posted on 2014-04-14 DNS Active Directory Windows Server 2003 1 Verified Solution 6 Comments 946 Views Last Modified: 2014-04-16 dns error I've been getting constant errors on 3 out of my 4 DNS servers in house. Error 4521- "The DNS server encountered error 32 attempting to load zone 60.168.192.in-addr.arpa from Active Directory. The DNS server will attempt to load this zone again on the next timeout cycle. This can be caused by high Active Directory load and may be a transient condition. " This the dns server started when we decommission one of our sites. We didn't properly decom the DC / DNS server at that site so I ran ntdsutil and followed MS site regarding cleaning up the metadata of a fail demoted DC however I'm not sure how to stop these constant 4521 dns errors. Any suggestions where I can find and remove the entry that is constantly trying to load a zone that does not exist anymore? 0 Question by:jo80ge121 Facebook Twitter LinkedIn Google LVL 25 Active 2 days ago Best Solution byDrDave242 If the above suggestions don't work, you can use ADSI Edit to find and delete the zone from Active Directory: : Run adsiedit.msc at an elevated command prompt on one of your DCs/DNS servers. : Right-click Go to Solution 6 Comments LVL 25 Overall: Level 25 DNS 5 Active Directory 5 Windows Server 2003 2 Message Expert Comment by:Zephyr ICT2014-04-14 I suspect that zone is the one from the site that was decommissioned? It might still be loaded from AD/registry... You could run following command to remove it from AD/registry and delete it (if not deleted already)... "dn
DNS server encountered error 32 attempting to load zone from Active Directory. The DNS server will attempt to load this zone again on the next timeout cycle. SCREENSHOT OF EVENT ID BELOW OPEN A CMD PROMPT WINDOW Type the below into a command window without the quotes "dnscmd /config /bootmethod" © copyright 1999 Outwardtruth