DHCP dynamic dns updates for Chromebooks fail
Hi all,
We're having a bit of a problem here. We have a domain here, domain.local, that has approximately 260 Windows Machines (XP, Win7, various MS Servers) and we also have users that bring in iOS devices, Kindles, Androids and so-forth. The domain controller
runs dhcp, dns, wsus, and is a file server. We only have a single dhcp server and a single dns server on a Windows Server 2008 R2 box.
We have a wireless network by Aruba that has three SSID's on it. One is secure, two are firewalled and open. You can ping the chromebooks on either of the wireless networks. the DHCP server works find on all of these.
We started off getting bad_address entries from the chromebooks when they went on our network back in September. Creating a dhcp lease solved most but not all. We are still getting dozens of entries in the dhcp log that specify bad_address. We have the dhcp
server testing twice before issuing. Once in a great, great while, we might get something on an Android, but that is it.
Funny thing is, Chromebooks are being handed IPs (horray) and we can see the leases in the dhcp server. Well that really isnt funny, but what is, dynamic updates to dns are not happening. They exist nowhere in the forward zone or as a reverse pointer.
Kindles, iOS machines, Androids, Windows machines and everything else work flawlessly.
So two things... bad_address in the dhcp area and the dhcp dynamic updates are not happening for the Chromebooks.
Dns is set to "Always dynamically update DNS A and PTR records.
Discard A & PTR records when lease is deleted is checked.
Dynamically update DNS A and PTR records for DHCP clients that do not request updates is also checked.
Name protection is turned off as of today.
Any Ideas?
Thanks!
Steve
The chromebooks are not joined to the domain. They are not designed to do so.
DNS Suffix is fine.
We have intermittent issues with Androids and an occassional iOS device, but never Windows machines.
Here is part of the log from yesterday. Only two bad_addresses happened today. See what I mean by it's intermittant?
Thanks!
Steve
30,01/30/14,07:17:06,DNS Update Request,192.168.211.1,U39RM11-1.ludlow.local,,,0,6,,AAEBv23zaAWZ4WuK1b2+dVq95TA2xTDStNgPobG8nwaXmPQ=,
11,01/30/14,07:17:06,Renew,192.168.211.1,U39RM11-1.ludlow.local,E840F2D1CE03,,4190867016,0,,,
32,01/30/14,07:17:06,DNS Update Successful,192.168.211.1,U39RM11-1.ludlow.local,,,0,6,,AAEBv23zaAWZ4WuK1b2+dVq95TA2xTDStNgPobG8nwaXmPQ=,
30,01/30/14,07:17:18,DNS Update Request,192.168.233.11,U39Rm33-1.ludlow.local,,,0,6,,AAEB2fUQYqMaWdoe1wsX4MPnUoL9Q8UmymYol1QgzAkw/+Q=,
11,01/30/14,07:17:18,Renew,192.168.233.11,U39Rm33-1.ludlow.local,E840F2D188E2,,3840093265,0,,,
32,01/30/14,07:17:18,DNS Update Successful,192.168.233.11,U39Rm33-1.ludlow.local,,,0,6,,AAEB2fUQYqMaWdoe1wsX4MPnUoL9Q8UmymYol1QgzAkw/+Q=,
15,01/30/14,07:17:28,NACK,10.0.0.3,,D8D1CB46ADFB,,0,6,,,
30,01/30/14,07:17:31,DNS Update Request,192.168.100.33,Lukes-iPod.ludlow.local,,,0,6,,AAEBPiTHYcRevrOxpOVKf6R0r8Licugdjc6HTsZ8yEKd6i8=,
10,01/30/14,07:17:31,Assign,192.168.100.33,Lukes-iPod.ludlow.local,D8D1CB46ADFB,,4141094238,0,,,
32,01/30/14,07:17:31,DNS Update Successful,192.168.100.33,Lukes-iPod.ludlow.local,,,0,6,,AAEBPiTHYcRevrOxpOVKf6R0r8Licugdjc6HTsZ8yEKd6i8=,
30,01/30/14,07:17:50,DNS Update Request,192.168.100.34,LESPRIM1-LAP.ludlow.local,,,0,6,,AAEBmOdFa4iAE3mwpFO0XztiEQTcpHNF2F80hCx+P33Duxc=,
10,01/30/14,07:17:50,Assign,192.168.100.34,LESPRIM1-LAP.ludlow.local,705AB6E50F05,,448941972,0,,,
32,01/30/14,07:17:50,DNS Update Successful,192.168.100.34,LESPRIM1-LAP.ludlow.local,,,0,6,,AAEBmOdFa4iAE3mwpFO0XztiEQTcpHNF2F80hCx+P33Duxc=,
30,01/30/14,07:17:50,DNS Update Request,192.168.113.141,LESPRIM1-LAP.ludlow.local,,,0,6,,AAEBy8Imjdb3sW/XWuiJ5U/WrxaJQ3BxJCy0NQedJPGa4X0=,
11,01/30/14,07:17:50,Renew,192.168.113.141,LESPRIM1-LAP.ludlow.local,485D605DE330,,2808232855,0,,,
32,01/30/14,07:17:50,DNS Update Successful,192.168.113.141,LESPRIM1-LAP.ludlow.local,,,0,6,,AAEBy8Imjdb3sW/XWuiJ5U/WrxaJQ3BxJCy0NQedJPGa4X0=,
30,01/30/14,07:18:26,DNS Update Request,192.168.200.21,BAD_ADDRESS,,,0,6,,,
11,01/30/14,07:18:26,Renew,192.168.200.21,,5CF8A169E20C,,2629993613,0,,,
32,01/30/14,07:18:26,DNS Update Successful,192.168.200.21,BAD_ADDRESS,,,0,6,,,
13,01/30/14,07:18:28,Conflict,192.168.200.21,BAD_ADDRESS,,,0,6,,,
15,01/30/14,07:18:29,NACK,10.1.10.36,,245FDFAF76C0,,0,6,,,
30,01/30/14,07:18:30,DNS Update Request,192.168.200.21,BAD_ADDRESS,,,0,6,,,
10,01/30/14,07:18:30,Assign,192.168.200.21,,5CF8A169E20C,,1425556505,0,,,
32,01/30/14,07:18:30,DNS Update Successful,192.168.200.21,BAD_ADDRESS,,,0,6,,,
15,01/30/14,07:18:33,NACK,10.1.10.36,,245FDFAF76C0,,0,6,,,
30,01/30/14,07:18:49,DNS Update Request,192.168.226.2,U39Counseling2.ludlow.local,,,0,6,,AAEBoDb2i8cNiTs5s6mi1U4cKX6O6XrNKoeN0nhi48apyko=,
11,01/30/14,07:18:49,Renew,192.168.226.2,U39Counseling2.ludlow.local,E840F2D1B6AE,,3091400663,0,,,
32,01/30/14,07:18:49,DNS Update Successful,192.168.226.2,U39Counseling2.ludlow.local,,,0,6,,AAEBoDb2i8cNiTs5s6mi1U4cKX6O6XrNKoeN0nhi48apyko=,
30,01/30/14,07:18:58,DNS Update Request,192.168.100.20,android-6bb3d55f112e2c78.ludlow.local,,,0,6,,AAEBZ8X3hdJsXWkCTi64DjXKWgzR8VSvxXmR27vdeEmuXFc=,
10,01/30/14,07:18:58,Assign,192.168.100.20,android-6bb3d55f112e2c78.ludlow.local,10AE60DDC84E,,2713964648,0,,,
32,01/30/14,07:18:58,DNS Update Successful,192.168.100.20,android-6bb3d55f112e2c78.ludlow.local,,,0,6,,AAEBZ8X3hdJsXWkCTi64DjXKWgzR8VSvxXmR27vdeEmuXFc=,
30,01/30/14,07:18:59,DNS Update Request,192.168.200.68,U39CB68,,,0,6,,,
11,01/30/14,07:18:59,Renew,192.168.200.68,,6021C0E66497,,2944142942,0,,,
32,01/30/14,07:18:59,DNS Update Successful,192.168.200.68,U39CB68,,,0,6,,,
13,01/30/14,07:19:01,Conflict,192.168.200.68,BAD_ADDRESS,,,0,6,,,
30,01/30/14,07:19:03,DNS Update Request,192.168.100.10,Noahs-Ipod.ludlow.local,,,0,6,,AAEBcMLcZNAQkNiPzr+WDzQUzKRHAQQ40R5Qs/XW2OBsCfg=,
10,01/30/14,07:19:03,Assign,192.168.100.10,Noahs-Ipod.ludlow.local,848506E9BCF0,,1755798843,0,,,
32,01/30/14,07:19:03,DNS Update Successful,192.168.100.10,Noahs-Ipod.ludlow.local,,,0,6,,AAEBcMLcZNAQkNiPzr+WDzQUzKRHAQQ40R5Qs/XW2OBsCfg=,
30,01/30/14,07:19:03,DNS Update Request,192.168.117.131,Lisas-iPad-2.ludlow.local,,,0,6,,AAEBigaHvI9zgqVhhK4yfw0UxzAcRD0yLfh0mU5G6Lq33JI=,
11,01/30/14,07:19:03,Renew,192.168.117.131,Lisas-iPad-2.ludlow.local,A4D1D20EF3A7,,161525253,0,,,
32,01/30/14,07:19:03,DNS Update Successful,192.168.117.131,Lisas-iPad-2.ludlow.local,,,0,6,,AAEBigaHvI9zgqVhhK4yfw0UxzAcRD0yLfh0mU5G6Lq33JI=,
30,01/30/14,07:19:04,DNS Update Request,192.168.200.68,BAD_ADDRESS,,,0,6,,,
10,01/30/14,07:19:04,Assign,192.168.200.68,,6021C0E66497,,734709404,0,,,
32,01/30/14,07:19:04,DNS Update Successful,192.168.200.68,BAD_ADDRESS,,,0,6,,,
30,01/30/14,07:19:04,DNS Update Request,192.168.100.10,Noahs-Ipod.ludlow.local,,,0,6,,AAEBcMLcZNAQkNiPzr+WDzQUzKRHAQQ40R5Qs/XW2OBsCfg=,
11,01/30/14,07:19:04,Renew,192.168.100.10,Noahs-Ipod.ludlow.local,848506E9BCF0,,1755798843,0,,,
32,01/30/14,07:19:04,DNS Update Successful,192.168.100.10,Noahs-Ipod.ludlow.local,,,0,6,,AAEBcMLcZNAQkNiPzr+WDzQUzKRHAQQ40R5Qs/XW2OBsCfg=,
30,01/30/14,07:19:21,DNS Update Request,192.168.100.115,Melissas-iPad.ludlow.local,,,0,6,,AAEBWa+Y6U066OotJwgYxsd0r4WlWFbRi23r65syxZ1CSX4=,
11,01/30/14,07:19:21,Renew,192.168.100.115,Melissas-iPad.ludlow.local,041552B321A4,,1136634598,0,,,
32,01/30/14,07:19:22,DNS Update Successful,192.168.100.115,Melissas-iPad.ludlow.local,,,0,6,,AAEBWa+Y6U066OotJwgYxsd0r4WlWFbRi23r65syxZ1CSX4=,
30,01/30/14,07:19:23,DNS Update Request,192.168.200.68,BAD_ADDRESS,,,0,6,,,
11,01/30/14,07:19:23,Renew,192.168.200.68,,6021C0E66497,,3892725690,0,,,
32,01/30/14,07:19:23,DNS Update Successful,192.168.200.68,BAD_ADDRESS,,,0,6,,,
13,01/30/14,07:19:26,Conflict,192.168.200.68,BAD_ADDRESS,,,0,6,,,
30,01/30/14,07:19:29,DNS Update Request,192.168.200.68,BAD_ADDRESS,,,0,6,,,
10,01/30/14,07:19:29,Assign,192.168.200.68,,6021C0E66497,,3507239814,0,,,
32,01/30/14,07:19:29,DNS Update Successful,192.168.200.68,BAD_ADDRESS,,,0,6,,,
30,01/30/14,07:19:33,DNS Update Request,192.168.100.10,Noahs-Ipod.ludlow.local,,,0,6,,AAEBcMLcZNAQkNiPzr+WDzQUzKRHAQQ40R5Qs/XW2OBsCfg=,
11,01/30/14,07:19:33,Renew,192.168.100.10,Noahs-Ipod.ludlow.local,848506E9BCF0,,1772576059,0,,,
32,01/30/14,07:19:33,DNS Update Successful,192.168.100.10,Noahs-Ipod.ludlow.local,,,0,6,,AAEBcMLcZNAQkNiPzr+WDzQUzKRHAQQ40R5Qs/XW2OBsCfg=,
30,01/30/14,07:19:36,DNS Update Request,192.168.100.35,iDevices-iPod.ludlow.local,,,0,6,,AAEBFRqIzdXCu9pqShdi5/lq7LLN+pI7v0tCInwVnlPW1zw=,
10,01/30/14,07:19:36,Assign,192.168.100.35,iDevices-iPod.ludlow.local,D8D1CB0C4B3C,,1043927758,0,,,
32,01/30/14,07:19:36,DNS Update Successful,192.168.100.35,iDevices-iPod.ludlow.local,,,0,6,,AAEBFRqIzdXCu9pqShdi5/lq7LLN+pI7v0tCInwVnlPW1zw=,
30,01/30/14,07:19:37,DNS Update Request,192.168.100.35,iDevices-iPod.ludlow.local,,,0,6,,AAEBFRqIzdXCu9pqShdi5/lq7LLN+pI7v0tCInwVnlPW1zw=,
11,01/30/14,07:19:37,Renew,192.168.100.35,iDevices-iPod.ludlow.local,D8D1CB0C4B3C,,1043927758,0,,,
32,01/30/14,07:19:37,DNS Update Successful,192.168.100.35,iDevices-iPod.ludlow.local,,,0,6,,AAEBFRqIzdXCu9pqShdi5/lq7LLN+pI7v0tCInwVnlPW1zw=,
30,01/30/14,07:19:38,DNS Update Request,192.168.211.1,U39RM11-1.ludlow.local,,,0,6,,AAEBv23zaAWZ4WuK1b2+dVq95TA2xTDStNgPobG8nwaXmPQ=,
11,01/30/14,07:19:38,Renew,192.168.211.1,U39RM11-1.ludlow.local,E840F2D1CE03,,3851649786,0,,,
32,01/30/14,07:19:38,DNS Update Successful,192.168.211.1,U39RM11-1.ludlow.local,,,0,6,,AAEBv23zaAWZ4WuK1b2+dVq95TA2xTDStNgPobG8nwaXmPQ=,
30,01/30/14,07:20:02,DNS Update Request,192.168.200.21,BAD_ADDRESS,,,0,6,,,
11,01/30/14,07:20:02,Renew,192.168.200.21,,5CF8A169E20C,,2527289584,0,,,
32,01/30/14,07:20:02,DNS Update Successful,192.168.200.21,BAD_ADDRESS,,,0,6,,,
13,01/30/14,07:20:05,Conflict,192.168.200.21,BAD_ADDRESS,,,0,6,,,
30,01/30/14,07:20:07,DNS Update Request,192.168.200.21,BAD_ADDRESS,,,0,6,,,
10,01/30/14,07:20:07,Assign,192.168.200.21,,5CF8A169E20C,,2452767822,0,,,
32,01/30/14,07:20:07,DNS Update Successful,192.168.200.21,BAD_ADDRESS,,,0,6,,,
30,01/30/14,07:20:15,DNS Update Request,192.168.231.2,U39Rm31-2.ludlow.local,,,0,6,,AAEBfU6IakW2GjJUF9LqGDA6HTGPvTf5uLEg39/xoy27s7Q=,
11,01/30/14,07:20:15,Renew,192.168.231.2,U39Rm31-2.ludlow.local,0011116E27A9,,2943185667,0,,,
32,01/30/14,07:20:15,DNS Update Successful,192.168.231.2,U39Rm31-2.ludlow.local,,,0,6,,AAEBfU6IakW2GjJUF9LqGDA6HTGPvTf5uLEg39/xoy27s7Q=,
30,01/30/14,07:20:15,DNS Update Request,192.168.100.20,android-6bb3d55f112e2c78.ludlow.local,,,0,6,,AAEBZ8X3hdJsXWkCTi64DjXKWgzR8VSvxXmR27vdeEmuXFc=,
11,01/30/14,07:20:15,Renew,192.168.100.20,android-6bb3d55f112e2c78.ludlow.local,10AE60DDC84E,,3515676649,0,,,
32,01/30/14,07:20:15,DNS Update Successful,192.168.100.20,android-6bb3d55f112e2c78.ludlow.local,,,0,6,,AAEBZ8X3hdJsXWkCTi64DjXKWgzR8VSvxXmR27vdeEmuXFc=,
30,01/30/14,07:20:16,DNS Update Request,192.168.200.68,BAD_ADDRESS,,,0,6,,,
11,01/30/14,07:20:16,Renew,192.168.200.68,,6021C0E66497,,3323928240,0,,,
32,01/30/14,07:20:16,DNS Update Successful,192.168.200.68,BAD_ADDRESS,,,0,6,,,
13,01/30/14,07:20:19,Conflict,192.168.200.68,BAD_ADDRESS,,,0,6,,,
30,01/30/14,07:20:21,DNS Update Request,192.168.200.68,BAD_ADDRESS,,,0,6,,,
10,01/30/14,07:20:21,Assign,192.168.200.68,,6021C0E66497,,4015370588,0,,,
32,01/30/14,07:20:21,DNS Update Successful,192.168.200.68,BAD_ADDRESS,,,0,6,,,
30,01/30/14,07:20:30,DNS Update Request,192.168.107.132,ShonaTrisiPhone.ludlow.local,,,0,6,,AAEBEAQoKj7rtYMVPEaXrk7cnBX90v+WX4e8VWX/LLIlYsQ=,
11,01/30/14,07:20:30,Renew,192.168.107.132,ShonaTrisiPhone.ludlow.local,8C58779AAE66,,3741452386,0,,,
32,01/30/14,07:20:30,DNS Update Successful,192.168.107.132,ShonaTrisiPhone.ludlow.local,,,0,6,,AAEBEAQoKj7rtYMVPEaXrk7cnBX90v+WX4e8VWX/LLIlYsQ=,
30,01/30/14,07:20:37,DNS Update Request,192.168.107.132,ShonaTrisiPhone.ludlow.local,,,0,6,,AAEBEAQoKj7rtYMVPEaXrk7cnBX90v+WX4e8VWX/LLIlYsQ=,
11,01/30/14,07:20:37,Renew,192.168.107.132,ShonaTrisiPhone.ludlow.local,8C58779AAE66,,3758229602,0,,,
32,01/30/14,07:20:37,DNS Update Successful,192.168.107.132,ShonaTrisiPhone.ludlow.local,,,0,6,,AAEBEAQoKj7rtYMVPEaXrk7cnBX90v+WX4e8VWX/LLIlYsQ=,
30,01/30/14,07:20:38,DNS Update Request,192.168.106.131,Martina-ipad2.ludlow.local,,,0,6,,AAEB4JkFG0yi5GATQmXtmGs+xNyzUMvp5CHQ7vC17roJRV8=,
11,01/30/14,07:20:38,Renew,192.168.106.131,Martina-ipad2.ludlow.local,E0B9BAD88CF4,,743727717,0,,,
32,01/30/14,07:20:38,DNS Update Successful,192.168.106.131,Martina-ipad2.ludlow.local,,,0,6,,AAEB4JkFG0yi5GATQmXtmGs+xNyzUMvp5CHQ7vC17roJRV8=,
30,01/30/14,07:21:24,DNS Update Request,192.168.236.10,U39Rm36-1Miel.ludlow.local,,,0,6,,AAEB9phYpXhSho8uUIuhgdv60Mgthppg4Vw9tU1MsxQLUNU=,
11,01/30/14,07:21:24,Renew,192.168.236.10,U39Rm36-1Miel.ludlow.local,7054D2457626,,2120051083,0,,,
32,01/30/14,07:21:24,DNS Update Successful,192.168.236.10,U39Rm36-1Miel.ludlow.local,,,0,6,,AAEB9phYpXhSho8uUIuhgdv60Mgthppg4Vw9tU1MsxQLUNU=,
30,01/30/14,07:21:32,DNS Update Request,192.168.100.4,Haileys-iPad.ludlow.local,,,0,6,,AAEBKB7Xlol/CFyRFfPIXdtUN1OmQ0w/zWeclSXhRX49EuM=,
11,01/30/14,07:21:32,Renew,192.168.100.4,Haileys-iPad.ludlow.local,ACCF5C2CB6DC,,437817067,0,,,
32,01/30/14,07:21:32,DNS Update Successful,192.168.100.4,Haileys-iPad.ludlow.local,,,0,6,,AAEBKB7Xlol/CFyRFfPIXdtUN1OmQ0w/zWeclSXhRX49EuM=,
30,01/30/14,07:21:33,DNS Update Request,192.168.117.131,Lisas-iPad-2.ludlow.local,,,0,6,,AAEBigaHvI9zgqVhhK4yfw0UxzAcRD0yLfh0mU5G6Lq33JI=,
11,01/30/14,07:21:33,Renew,192.168.117.131,Lisas-iPad-2.ludlow.local,A4D1D20EF3A7,,178302469,0,,,
32,01/30/14,07:21:33,DNS Update Successful,192.168.117.131,Lisas-iPad-2.ludlow.local,,,0,6,,AAEBigaHvI9zgqVhhK4yfw0UxzAcRD0yLfh0mU5G6Lq33JI=,
30,01/30/14,07:21:51,DNS Update Request,192.168.231.3,U39Rm31-3.ludlow.local,,,0,6,,AAEBZLIcMEpmxTb3TnhGsNRxgdLLmJ3biPg8dRuPqwkG0EE=,
11,01/30/14,07:21:51,Renew,192.168.231.3,U39Rm31-3.ludlow.local,001CC06D271A,,647858421,0,,,
32,01/30/14,07:21:51,DNS Update Successful,192.168.231.3,U39Rm31-3.ludlow.local,,,0,6,,AAEBZLIcMEpmxTb3TnhGsNRxgdLLmJ3biPg8dRuPqwkG0EE=,
30,01/30/14,07:21:57,DNS Update Request,192.168.231.4,U39Rm31-4.ludlow.local,,,0,6,,AAEB8jeDfIgZt/5EtAnoDCaYlU2UDndCxbY6+F8Q8jhcwZk=,
11,01/30/14,07:21:57,Renew,192.168.231.4,U39Rm31-4.ludlow.local,001CC06D2722,,1511683688,0,,,
32,01/30/14,07:21:57,DNS Update Successful,192.168.231.4,U39Rm31-4.ludlow.local,,,0,6,,AAEB8jeDfIgZt/5EtAnoDCaYlU2UDndCxbY6+F8Q8jhcwZk=,
30,01/30/14,07:21:59,DNS Update Request,192.168.102.1,LESKinder1.ludlow.local,,,0,6,,AAEBp2ylbEUqDPc66pqOvwGle4wCK2aPj7j68lVBh0Uz+HY=,
11,01/30/14,07:21:59,Renew,192.168.102.1,LESKinder1.ludlow.local,001320782CA2,,3119110832,0,,,
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Static PAT will do a Port Forward from the public IP address and public port to the local IP and local port. And this is most commonly used with environments which only public IP address is the one that the ASA holds in its WAN interface.
A typical Static NAT configuration is this
static (inside,outside) 1.1.1.1 10.10.10.10 netmask 255.255.255.255
Where
inside = is the interface behind which the host is
outside = is the interface towards which the host is NATed
1.1.1.1 = is the public NAT IP address for the host
10.10.10.10 = is the local IP address of the host
A typical Static PAT configuration is this
static (inside,outside) tcp interface 80 10.10.10.10 80 netmask 255.255.255.255
Where
tcp = specifies the protocol for which the Static PAT configured
interface = specifies that we will be using the public IP address of the destination interface "outside" as the public IP address for this single Port Forward.
80 = first "80" specifies the public port visible to users behind the destination interface
80 = second "80" specifies the actual local port on which the local host is listening on
Hope this helps
- Jouni -
iOS8 update for iPhone5 failed then a logo of cable connecting to itunes appear...help!!!
Then you connect it to iTunes and restore the device.
Read this article: If you can't update or restore your iPhone, iPad, or iPod touch - Apple Support -
Dynamic DNS updates and issues with re-imaged / replaced machines with the same computer name
Our AD team gets asked frequently to delete bad DNS entries because a computer was replaced or VDI was re-created, and when it was joined to the domain it had the same computer name but different SID, so the DNS entry for that computer can no longer be updated
to a new IP address because the new computer doesn't have rights to update that object in DNS.
I recently saw a resolution to this was to set the security for DNS to allow updates from "Domain Computers" as described in the KB below.
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2005210
Has anyone done this? Any negative implications from this?
ThanksGranting all domain computers write access to all records in the dns zone does solve the problem. On the negative side, DNS security is reduced significantly. For example, any user with admin rights locally on his/her computer will be able to sabotage
services in your domain by deleting or changing host records of domain controllers, servers or other client computers.
A more secure solution in this case will be configuring DHCP servers to update DNS on behalf of the client and granting DHCP servers appropriate access to DNS zone. Take a look at
Configuring Secure Dynamic Update for more info.
Gleb. -
D6300 Dynamic DNS update frequency
Hi
I have enabled the dynamic DNS feature on my Netgear D6300 router using the NoIP / MyNetgear service. This does work sometimes and updates,...I am sorry this is the wrong place for this but couldn't find the correct forum for this router! Anyways, the problem I am having is that my wireless...
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External Mgmt Address - DHCP/Dynamic DNS
Hi,
My customer is looking to assign the 'External Mgmt Addresses' for their B Series Server Blades (KVM) via DHCP and dynamic DNS instead of an statically defined pool.
Appreciate if someone can confirm if this possible?
Kind Regards, PaulHi Robinson,
How are you? Ip address for KVM managament can only be assigned statically direclty to the CIMC or be assigned via a ip pool.
See link below
Managament Ip Addresses (UCS 2.1)
http://www.cisco.com/en/US/docs/unified_computing/ucs/sw/gui/config/guide/2.1/b_UCSM_GUI_Configuration_Guide_2_1_chapter_011101.html#concept_8D1CF1E427424A8AA1ED7E26B31B9227 -
Adobe AIR Update for Android FAILS TO UPDATE
Why is the update for Adobe AIR failing to update and also why is it that nobody is able to install?
Nathan I would recommend posting your inquiry to the Adobe AIR forum at http://forums.adobe.com/community/air.
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New update for iCloud fails to install
Is anyone having trouble getting the iCloud update for windows to install?
I haven't been able to get the last 3-4 updates to install. They get almost to the end and then I get an error message "There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support or package vendor." I've tried turning off my antivirus and my firewall before running the update but the updates still won't complete the installation. I've also tried to install each manually but that doesn't work either.
iPhone 5, iPad3 iOS 8.02, PC, Win7 Home Premium, 64-bit, Norton IS -
Latest update for iphone failed. Asking me to connect but already plugged in.
Device not recognised. Tried a 2nd PC. Downloaded update but that failed. Tried factory restore but that failed too. Error 4000. Now phone invisible. Image of itunes and plugin with an arrow on the screen.
On plugging it into the 2nd pc, it finds it and gives me the choice of an update or factory reset. Once the s/w is extracted the above message is displayed.
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Updater For Firmware Fails.
I'm running Windows 2000 (Sp4) 512meg of memory, look the program runs fine, the problem is when it goes to check Nokia's Database to see what available firmware is out..
All it returns is "No software updates available for your phone"
on the side it says Nokia 6110 (it detects the phone ok) and then nothing, so i rip out the packet sniffer and have a look what's going on, I have no firewall preventing it, it's like a time out, no error codes just either not connecting or timing out.
Updater Version: V1.4.36en
1 127.0.0.1 127.0.0.1 1427 Send
0000 50 4F 53 54 20 2F 20 48 54 54 50 2F 31 2E 31 0D POST / HTTP/1.1.
0010 0A 48 6F 73 74 3A 20 31 32 37 2E 30 2E 30 2E 31 .Host: 127.0.0.1
0020 3A 36 32 36 33 33 0D 0A 55 73 65 72 2D 41 67 65 :62633..User-Age
0030 6E 74 3A 20 67 53 4F 41 50 2F 32 2E 37 0D 0A 43 nt: gSOAP/2.7..C
Oh i see the problem, for some reason the updater software is checking loopback (127.0.0.1) why is it trying to connect to itself?
Anyway my nokia's details
03.51
23-05-07
RM-122
Nokia 6110 (AP18.01)
code: 0553278
Where can i get a real updater from01-May-2008 01:02 PM
cjdelphi wrote:
Where can i get a real updater from
You really dont have an option but to wait for NSU to have an available update for your phones product code. -
Dynamic dns update client for archbox behind router?
I tried ez-ipupdate but i found out it cant work if youre behind router....anyone know any i can dload that do? :oops:
RahJiggah wrote:I tried ez-ipupdate but i found out it cant work if youre behind router....anyone know any i can dload that do? :oops:
Yeah, that one just don't cut the mustard. Try "ddclient". I started a thread a long time ago comparing different dyndns clients, and found "ddclient" had the richest feature set, including a lot of support for you router folk.
Try this thread. -
RW215W Dynamic DNS update interval
Hi,
I have a RW215W Router. Using a mobile broadband dongle for internet connection and the public ip changes every time the dongle is connected. I´m using a ddns service. I need update the new ip to the ddns service more frequent or when ip changes. Is this possible? any suggestions?Hi,
Please check if your multiple DHCP has joint the group DnsUpdateProxy or not. To do this, you can refer to:
DNS Record Ownership and the DnsUpdateProxy Group:
http://technet.microsoft.com/en-us/library/dd334715(WS.10).aspx
Also check if the client service “DNS client service" is running fine.
Meanwhile, please refer to these articles:
Troubleshooting dynamic updates
Solving Dynamic Update and Secure Dynamic Update Problems
Karen Hu
TechNet Community Support -
Service Apple Mobile Device failed to start. Verify that you have sufficient priviledges to start system services.
This is the message I am getting. Why can't I get itunes to load properly??Go to Control Panel > Add or Remove Programs (Win XP) or Programs and Features (later)
Remove all of these items in the following order:
iTunes
Apple Software Update
Apple Mobile Device Support (if this won't uninstall move on to the next item)
Bonjour
Apple Application Support
Reboot, download iTunes, then reinstall, either using an account with administrative rights, or right-clicking the downloaded installer and selecting Run as Administrator.
The uninstall and reinstall process will preserve your iTunes library and settings, but ideally you would back up the library and your other important personal documents and data on a regular basis. See this user tip for a suggested technique.
Please note:
Some users may need to follow all the steps in whichever of the following support documents applies to their system. These include some additional manual file and folder deletions not mentioned above.
HT1925: Removing and Reinstalling iTunes for Windows XP
HT1923: Removing and reinstalling iTunes for Windows Vista, Windows 7, or Windows 8
tt2 -
HB3 / Dynamic DNS Update time
Does anyone know;
1. What the default update time is on the dymanic DNS settings and
2. is it possible to amend it?
thank youIf you mean can you alter when your IP changes no I don't think you can. I have had one for 6 weeks and the next for a few days. A
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Apple Software Update for iTunes fails
All of a sudden I cannot update iTunes on Windows 8.1 X64.
I get this error pop-up:-Hi Hairy Scot,
Welcome to the Support Communities!
The article below may be able to help you with this issue. You may need to remove more than just the iTunes software. Click on the link to see more details and screenshots.
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8
http://support.apple.com/kb/HT1923?viewlocale=en_US
Cheers,
- Judy
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