Althought I dont think scavenging would help you with this issue. When connecting to vpn you get DHCP or statically assigned ip address? Are you sure the record is owned and can be updated by your dhcp server? Some of your non-Windows clients aren't registering their hostnames with the DNS server. You don't require secure updates on the DNS server. What option should you configure on the DHCP server so that non-Windows clients names are registered? Update DNS records dynamically only if requested by the DHCP clients. With the default settings, a duplicate A record gets registered by DHCP with the client’s new IP. This is because the client will not update itself due to the current record in DNS is beyond the lease period. This happens even though DHCP registered the record. This is because DHCP doesn’t own the record, the client does, even though DHCP registered it. DHCP OPTION 081: The way to get around this is you can configure DHCP’s Option 081 to update the record for all client, no matter if the client asks or not. To configure DHCP Option 081, you must look at the DHCP server properties, under the DNS Tab in DHCP properties. Despite it being a DHCP Option, it’s not found in a DHCP server, scope or class option. Overview to make this work: DHCP must own the record, not the client. This is done by configuring DHCP to register all DHCP clients, whether the client supports Dynamic Updates or not. As long as DHCP owns the record, can keep the records in the FLZ and RLZ up to date when the client renews its lease, same IP or different IP. Otherwise you’ll see duplicate A and PTR records in DNS, whether scavenging is enabled or not. Select all the messages in the folder using Command-A (Edit menu, Select All) and drag the messages to the folder on the desktop to make copies. The disadvantage to this technique is that the folder hierarchy is not retained in the backed up files and it does involve using the Finder to create folders with the same name to organize the messages. Outlook 2011 for mac advanced settings. Configure DHCP credentials by creating a plain-Jane, Domain User account. It doesn’t have to be an administrator account. Add the DHCP Server object in Active Directory to the DnsUpdateProxy group. In addition, I suggest to enable DNS scavenging to remove stale records, which will keep the zone clean. . Text dnscmd /AgeAllRecords From the article I posted. Do not do this unless you know the consequences of your actions. Scavenging is a process that doesn't need to be rushed! OP has dealt with the issues for this long, waiting for the scavenging periods to handle themselves doesn't need to be rushed. 'The third way to set scavenging on records is by using DNScmd.exe with the /ageallrecords switch. Let's pause here for a few moments to consider a few important words: All, Records, Delete, Stuff. If you actually run this command against a zone it will truly set scavenging and a timestamp on all records in the zone including static records that you never want to be scavenged. Because of the time it takes scavenging to do it's thing people find this command and get tempted to give it a try. It will delete stuff. Have patience instead.' Will paint tool sai ever work for mac pro. “Thank you for making a program that saves me money as a student because I no longer have to buy a new computer.”- Tyler Virtualization is a powerful alternative to being forced to purchase another computer, partitioning your hard drive, or restarting your Mac. Bgd wrote: @md0221 I didn't AgeAllRecords - don't see a reason doing that. @stratos7951 Yes, I get DHCP (different one) and different subnet. I have a route in between the Production subnet and VPN subnet. How can I check who's the owner of the record? This sounds interesting: DHCP must own the record, not the client. This is done by configuring DHCP to register all DHCP clients, whether the client supports Dynamic Updates or not. I Dont know any way to check DNS records ownership but if you see the VPN ip address as a record in your dns server you know the client owns the record and not your dhcp. If you take a look at the dhcp server log file (C: Windows System32 dhcp) you should see some lines like the following. Text 31,10/09/15,23:54:20,DNS Update Failed,192.168.0.32,client.contoso.com,,,0,6,,,,,,,,,9501 Can you post part of the log file so we can troubleshoot from there? Also If I was you I would've try the following: 1. Make sure option 081 is set in my dhcp server. (From the screenshot you provided it seems ok) 2. Manually delete dns record of said client.
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