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• DHCP and DNS on none AD 2003 Server PTR is updating but no A records

  - by user29819

  I have a strange issue, I have a DHCP and DNS server running in a non AD environment, on Windows 2003 server. I setup DHCP to update DNS A and PTR records even if the client doesnt request it, but I only see PTR records updated, the A records are not created at all. The domain is "local" forward zone is called "local" and in the option 15 set to "local" (actual name) the PTR records are created with the right name (example: win64_ent.local), What am I missing here ?

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• Dhcp clients fail after successful import of server to new machine

  - by Tathagata

  I transfered the configs of a dhcp server from one server to another both running Windows Server 2003 R2 following http [://] support.microsoft.com/kb/325473. The new server has a statically configured ip(outside the scope) like the old one. Stopped the server on the old, and started up in the new server (authorized too) - but when I ipconfig /renew from a client its network interface fails with all 0.0.0.0 (or 169...*). I read somewhere I need to reconcile the scope to sync the new registry values ('ll try this tomorrow). What other troubleshooting steps can I take other than these (which didn't help)? Things work fine when the old server resurrects and the new one is taken down. The new server showed there was no requests for offer.

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• Dhcp server change fail after successful importing to new machine

  - by Tathagata

  I transfered the configs of a dhcp server from one server to another both running Windows Server 2003 R2 following http [://] support.microsoft.com/kb/325473. The new server has a statically configured ip(outside the scope) like the old one. Stopped the server on the old, and started up in the new server (authorized too) - but when I ipconfig /renew from a client its network interface fails with all 0.0.0.0 (or 169...*). I read somewhere I need to reconcile the scope to sync the new registry values ('ll try this tomorrow). What other troubleshooting steps can I take other than these (which didn't help)? Things work fine when the old server resurrects and the new one is taken down. The new server showed there was no requests for offer.

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• Dhcp clients fail after successful import of server to new machine (win2k3)

  - by Tathagata

  I transfered the configs of a dhcp server from one server to another both running Windows Server 2003 R2 following http [://] support.microsoft.com/kb/325473. The new server has a statically configured ip(outside the scope) like the old one. Stopped the server on the old, and started up in the new server (authorized too) - but when I ipconfig /renew from a client its network interface fails with all 0.0.0.0 (or 169...*). I read somewhere I need to reconcile the scope to sync the new registry values ('ll try this tomorrow). What other troubleshooting steps can I take other than these (which didn't help)? Things work fine when the old server resurrects and the new one is taken down. The new server showed there was no requests for offer.

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• DHCP Relay setup in ubuntu server

  - by jerichorivera

  I have a network appliance (QNO) that works as traffic load balancer and dhcp server. I would like to add a linux server in between the network appliance and the client computers. The linux server will be used to monitor bandwidth usage. My problem is I still want DHCP to be served by the network appliance so that load balancing will still work efficiently. We are afraid that if we setup the linux server as the DHCP server the network appliance will not be able to load balance the traffic if it only sees the linux server as a single client connecting to it. I've been searching all over for a tutorial on how to setup DHCP relay but have not found any. How do I setup DHCP relay on my linux server given there are two NICs attached to it, one connects the linux server to the network appliance and the other connects the linux server to the client computers. EDIT Router (DHCP) ---- [eth0] Linux Server (Relay agent) [eth1] ----- PC (network) Router IP is 192.168.0.100 eth0 is on DHCP eth1 is static 192.168.2.11 (if I need to change this I can) Tried to do dhcrelay -i eth1 192.168.0.100, but the PC was not getting any DHCP lease from the DHCP router. I might be missing something here.

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• SQL Server Agent was not running on Server Dynamics CRM 2013

  - by No1_Melman

  I'm trying to install Dynamics CRM 2013 on a server. This server is on a VM. There are several other VMs, an ADDS & DNS, a MSSQL and a WebServer VM. Each server is a Windows Server 2012 R2. The SQL Server is 2012 Enterprise. Each VM is part of the main Domain, set by the ADDS & DNS. NSLookup confirms I can see the computer at the right IP address. Each separate VM has its own static IP, the DNS is set to the ADDS & DNS. I use the domain administrator to log into all the servers, and make the that domain administrator a local administrator. I've set up all the domain users for the CRM and gave them appropriate permissions, I have also added the accounts to the appropriate places, such that the CRM Deployment user is in the SQL security. The SQL Agent is running. SQL server configuration manager has SQL server network configuration TCP/IP enabled to allow remote connections. The SQL server has the domain user as a administrator, which is the same user being used to install the CRM. In the CRM setup i point to the [Servername]\[Instance] and I have also tried just the [Servername]. to make this easier I called the server MSSQL and left the instance name to the default. I even install the MSSQL instance as the domain administrator. CRM can find the ReportServer url. I have enable all the ports required, including: 135, 1433, 1434, 2382, 2383, 4022. 1434 UDP. I feel like I have absolutely done everything, I have google many times and tried all the different methods, and for the life of me I cant seem to get the CRM setup to find the SQL server agent. It passes everything else perfectly fine. I can even ping the MSSQL server. What is the problem, why does the CRM still keep giving the error: SQLSERVERAGENT (SQLSERVERAGENT) service is not running on the server MSSQL On the MSSQL server, the name of the sql server agent service is: SQL Server Agent (MSSQLSERVER)

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• Windows Server 2003 DHCP not handing out IPs

  - by SnOrfus

  I'm trying to setup a home server (to tinker with) as a domain controller. I've setup the domain and I've installed DHCP and setup a scope without any exclusions (with the default range of 192.168.0.1-254). My client machine is a Windows 7 (RC) machine and it has a connection but can't get an IP address. Even if I try setting the IP to a static 192.168.0.2 and there is still no connectivity. I can ping it from the server, but pinging the server from the client just times out. The only thing between the server and the client is a 24 port switch (D-Link DES-1024D). edit Ok, it turned out that the interfaces were setup backwards in the NAT settings (the internal nic connection was set to public and the external nic connection was set to private). I changed this and all was OK.... sort-of. Problem is now: If I set a static ip on the client (where I am typing this from) all is fine. BUT; when I set it to get it from DHCP, I get a correct IP from the server (192.168.0.2) but there is no internet on the client; but I can still ping the server fine from the client (which makes sense cause I was able to get an IP from it). edit I ended up just removing the Routing and DHCP server roles and just going with ICS for the time being until I get my hands on some better learning tools.

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• Windows Server 2003 DHCP not handing out IPs

  - by SnOrfus

  I'm trying to setup a home server (to tinker with) as a domain controller. I've setup the domain and I've installed DHCP and setup a scope without any exclusions (with the default range of 192.168.0.1-254). My client machine is a Windows 7 (RC) machine and it has a connection but can't get an IP address. Even if I try setting the IP to a static 192.168.0.2 and there is still no connectivity. I can ping it from the server, but pinging the server from the client just times out. The only thing between the server and the client is a 24 port switch (D-Link DES-1024D). edit Ok, it turned out that the interfaces were setup backwards in the NAT settings (the internal nic connection was set to public and the external nic connection was set to private). I changed this and all was OK.... sort-of. Problem is now: If I set a static ip on the client (where I am typing this from) all is fine. BUT; when I set it to get it from DHCP, I get a correct IP from the server (192.168.0.2) but there is no internet on the client; but I can still ping the server fine from the client (which makes sense cause I was able to get an IP from it). edit I ended up just removing the Routing and DHCP server roles and just going with ICS for the time being until I get my hands on some better learning tools.

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• DHCP server with multiple interfaces on ubuntu, destroys default gateway

  - by Henrik Alstad

  I use Ubuntu, and I have many interfaces. eth0, which is my internet connection, and it gets its info from a DHCP-server totally outisde of my control. I then have eth1,eth2,eth3 and eth4 which I have created a DHCP-server for.(ISC DHCP-Server) It seems to work, and I even get an IP-address from the foreign DHCP-server on the internet facing interface. However, for some reason it seems my gateway for eth0 became screwed after I installed my local DHCP-server for eth1-eth4. (I think so because I got an IP for eth0, and I can ping other stuff on the local network, but I cannot get access to the internet). My eth0-specific info in /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address 10.0.1.1 netmask 255.255.255.0 network 10.0.1.0 broadcast 10.0.1.255 gateway 10.0.1.1 mtu 8192 auto eth2 iface eth2 inet static address 10.0.2.1 netmask 255.255.255.0 network 10.0.2.0 broadcast 10.0.2.255 gateway 10.0.2.1 mtu 8192 My /etc/default/isc-dhcp-server: INTERFACES="eth1 eth2 eth3 eth4" So why does my local DHCP-server fuck up the gateway for eth0, when I tell it not to listen to eth0? Anyone see the problem or what I can do to fix it? The problem seems indeed to be the gateways. "netstat -nr" gives: 0.0.0.0 --- 10.X.X.X ---- 0.0.0.0 --- UG 0 0 0 eth3 It should have been 0.0.0.0 129.2XX.X.X 0.0.0.0 UG 0 0 0 eth0 So for some reason, my local DHCP-server overrides the gateway I get from the network DHCP. Edit: dhcp.conf looks like this(I included info only for eth1 subnet): ddns-update-style none; not authoritative; subnet 10.0.1.0 netmask 255.255.255.0 { interface eth1; option domain-name "example.org"; option domain-name-servers ns1.example.org, ns2.example.org; default-lease-time 600; max-lease-time 7200; range 10.0.1.10 10.0.1.100; host camera1_1 { hardware ethernet 00:30:53:11:24:6E; fixed-address 10.0.1.10; } host camera2_1 { hardware ethernet 00:30:53:10:16:70; fixed-address 10.0.1.11; } } Also, it seems that the gateway is correctly set if I run "/etc/init.d/networking restart" in a terminal, but that's not helpful for me, I need the correct gateway to be set during startup, and i'd rather find the source of the problem

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• ISC-DHCP not providing address

  - by kiler129

  I just replaced my old router using server with Ubuntu. Everything's fine except DHCP. When I tried connecting iPhone - it works: http://pastebin.com/NNEeiRLY but unfortunately some of my devices can't get IP from server, e.g. my computer: http://pastebin.com/N6LnsEWC Here's my isc configuration: http://pastebin.com/N5KQnhZV I've also tried running DHCP server as root (because of some permission denied in logs on lease file). What can I do?

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• Routing DHCP traffic over the internet

  - by rmanna

  i'd like to know if it's possible for the internet to be between a DHCP server and the network it's "assigned" to? so basically, something like this: -------------- ------------- ------------- | DHCP Server | | DHCP | | Clients | | |-----Internet-----| Relay Agent |------| 192.168.0.* | | | | 192.168.0.1 | | | -------------- ------------- ------------- the behavior i'm seeing is that the DHCP server is offering 192.168.0.* IPs and sending them back to 192.168.0.1, which it can't reach. i tried masquerading the packets sent by the relay agent but that doesn't seem to work. from what i've been reading, this is normal behavior since the DHCP server uses the GIADDR as the destination address for its OFFERs, and not the actual source IP of the packets it receives from the relay agent. sooo, given that my DHCP server needs to be "on the other side of the internet" as depicted above, how can i get this working? are there settings for dhcpd to do this or is creating a VPN containing the DHCP server and the relay agent the only way? thanks!

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• Linked server problem on SQL Server 2005

  - by BradyKelly

  I have a weird issue and I hope someone can steer me in the right direction for resolving this please. When I execute the following query against a linked server, I get the following error. I can connect to the server in SSMS as a separate server, and execute a similar query against its Deposits table. The nn.nn is my own replacement to avoid broadcasting our server addresses. The query: select td.Batch , td.DateTimeDeposited from Deposits cd left join [172.nn.nn.32\sqlexpress].Terminal.dbo.Deposits td on cd.DateTimeDeposited = td.DateTimeDeposited The error: OLE DB provider "SQLNCLI" for linked server "172.nn.nn.11\sqlexpress" returned message "Login timeout expired". OLE DB provider "SQLNCLI" for linked server "172.nn.nn.11\sqlexpress" returned message "An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections.". Msg 65535, Level 16, State 1, Line 0 SQL Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF]. Notice how the error is about server 172.nn.nn.11 and not 172.nn.nn.32. SOLVED (STUPID ME): Somebody had added an extra bit to my query that was scrolled off-screen and was querying the 17.nn.nn.11 server.

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• Can't access SQL Server 2008 from workstations, but can from server

  - by Kev

  We have an app that can use mssql2k or 2k8. We've been using 2k but I decided to try 2k8 to compare. I installed in on our win2k3 server alongside mssql2k. In the ODBC applet on the server, I was able to set up access to 2k8, and it passes the test at the end successfully, whether I tell it to use Windows Authentication or an sql login. The latter is how the app always accessed mssql2k. The app works fine from the server, but when I try it on a workstation (winxpsp3), I get a window titled, "Microsoft SQL Server Login" that says: Connection failed: SQLState: '01000' SQL Server Error: 53 [Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Connect()). Connection failed: SQLState: '08001' SQL Server ERror: 17 [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or access denied. Then I get the ODBC login dialog, which I can't get to login correctly (I just keep getting the same error above), even copying and pasting a password after resetting it on the server, and whether "trusted" is checked or not. "Options" is disabled. The server was straight SERVERNAME for mssql2k, but for mssql2k8 it's called SERVERNAME\mssql2008. That works on the server, why not on the workstation? (Which I'm logged in as the same person on, BTW.)

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• How difficult will it be to switch DHCP from Windows 2000 to our network router?

  - by MetalSearGolid

  While I know a bit about networking, I am more of a programmer, and I have never set up a DHCP server. I have always allowed a router to assign IP addresses. However, my boss has asked me to switch out our old Win2k Domain Controller and DHCP server to a new server. The catch is that he wants to just use our router to assign IP addresses rather than have the new server do it. Is this going to be more than just disconnecting the old server? And if so, are there any documents or tips anyone can help me to make the transition a bit smoother? The new server will most likely have Windows Server 2008 R2. Any advice I can get on this matter would be greatly appreciated.

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• Bind DHCP Server to Network Bridge

  - by Luke

  My wireless router died, so I decided to route everything through my server. So I installed a second NIC and a wireless card to be my new network: 1 NIC to the Modem, 1 NIC to the switch, and the Wireless to... Well, wireless. Anyways, I got far enough to get DHCP to work on just ONE adapter when I used Internet Connection Sharing (I couldn't get RRAS set up for the life of me), then I decided to try bridging the wireless and second NIC. Now, the DHCP server won't bind to the bridge, but I can enter manual IP's in my clients and it'll connect to the Internet. I also tried changing my wireless adapter's IP to 192.168.0.2, and to 192.168.1.1 to try to set up a separate scope, but to no avail. Running Windows Server 2003

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• DNS and DHCP not agreeing on an IP address

  - by Mr. Jefferson

  I'm having a problem where our Windows Server 2003 domain controller assigns my Windows 7 computer one IP address (x.x.x.75) via DHCP, but reports another (x.x.x.84) via DNS. This causes some interesting behavior on the network. If I change my adapter settings to get IP and DNS addresses from DHCP, I can access the internet, but no one on our network can access my computer. If I change my IP manually to what DNS says it is, I lose my internet access, but everyone can get to my computer again. I know that we have some old, invalid reverse DNS pointers hanging around (a reverse lookup on an IP address often gives more than one result, usually not including the one that is correct), so that could be contributing, but my problem is recent, and the invalid reverse pointers have been around a long time. What's going on, and how do I fix it?

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• How to renew dhcp ip address in ubuntu?

  - by elviejo

  This is a simple question in ubuntu server How do I renew a dhcp assigned IP address?

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• Windows Server 2003: Router, DHCP, Looses internet connection

  - by jM2.me

  I have following setup: a windows server 2003 dedicated server with tho nics. One is connected to internet (no modem/router), and second one is connected to private network. Server has DHCP server installed on it and internet nic is being shared for internet access. The problem is sometimes server looses connection to the internet, so same happens to private network. So far I can manually fix it by releasing and renewing IP address. What could be the cause of this problem? DHCP lease from ISP? Thanks

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• Windows Server 2003: Router, DHCP, Loses internet connection

  - by jM2.me

  I have following setup: a windows server 2003 dedicated server with tho nics. One is connected to internet (no modem/router), and second one is connected to private network. Server has DHCP server installed on it and internet nic is being shared for internet access. The problem is sometimes server loses connection to the internet, so same happens to private network. So far I can manually fix it by releasing and renewing IP address. What could be the cause of this problem? DHCP lease from ISP? Thanks

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• SQL SERVER – Concat Strings in SQL Server using T-SQL – SQL in Sixty Seconds #035 – Video

  - by pinaldave

  Concatenating  string is one of the most common tasks in SQL Server and every developer has to come across it. We have to concat the string when we have to see the display full name of the person by first name and last name. In this video we will see various methods to concatenate the strings. SQL Server 2012 has introduced new function CONCAT which concatenates the strings much efficiently. When we concat values with ‘+’ in SQL Server we have to make sure that values are in string format. However, when we attempt to concat integer we have to convert the integers to a string or else it will throw an error. However, with the newly introduce the function of CONCAT in SQL Server 2012 we do not have to worry about this kind of issue. It concatenates strings and integers without casting or converting them. You can specify various values as a parameter to CONCAT functions and it concatenates them together. Let us see how to concat the values in Sixty Seconds: Here is the script which is used in the video. -- Method 1: Concatenating two strings SELECT 'FirstName' + ' ' + 'LastName' AS FullName -- Method 2: Concatenating two Numbers SELECT CAST(1 AS VARCHAR(10)) + ' ' + CAST(2 AS VARCHAR(10)) -- Method 3: Concatenating values of table columns SELECT FirstName + ' ' + LastName AS FullName FROM AdventureWorks2012.Person.Person -- Method 4: SQL Server 2012 CONCAT function SELECT CONCAT('FirstName' , ' ' , 'LastName') AS FullName -- Method 5: SQL Server 2012 CONCAT function SELECT CONCAT('FirstName' , ' ' , 1) AS FullName Related Tips in SQL in Sixty Seconds: SQL SERVER – Concat Function in SQL Server – SQL Concatenation String Function – CONCAT() – A Quick Introduction 2012 Functions – FORMAT() and CONCAT() – An Interesting Usage A Quick Trick about SQL Server 2012 CONCAT Function – PRINT A Quick Trick about SQL Server 2012 CONCAT function What would you like to see in the next SQL in Sixty Seconds video? Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Database, Pinal Dave, PostADay, SQL, SQL Authority, SQL in Sixty Seconds, SQL Query, SQL Scripts, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology, Video Tagged: Excel

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• Import database: SQL Server 2005 Express to SQL Server 2008 Enterprise

  - by Khou

  I have two servers 1 x SQL Server 2005 Express and 1 x SQL Server 2008 Enterprise How can I move/import my database from SQL Server 2005 Express to SQL Server 2008 Enterprise? (BACKUP SQL SERVER 2005 and RESTORE to SQL Server 2008, would that work?)

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• Can ISC dhcpd operate as a proxy dhcp server for PXE boot?

  - by Matt

  I have an existing LAN with a DHCP server already dishing out IP addresses. For various reasons I cannot replace that server so it will still need to dish out IP addresses. I've been experimenting with dnsmasq in proxy mode to provide PXE boot filenames. Now I have dnsmasq chainloading iPXE ok, but I found that the problem with dnsmasq is that in proxy mode it won't send dhcp options down. So I can't seem to send option 17 to boot iscsi san. I read somewhere that it's not enabled in the source code. Oh well, so I thought perhaps I should try isc dhcpd (default version4 with ubuntu). But I can't find any configuration examples that work as a proxy. Does isc dhcpd even work in proxy mode? examples on the web imply patching the source. What other options do I have?

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• Why use FQDN as DNS-server option in DHCP?

  - by Filip Haglund

  I've seen multiple default configurations of DHCP-servers with a FQDN set as the DNS-server option. Doesn't this imply a catch-22, or the need for that DNS-server to be in the hosts file of every single client? example from dhcp3-server in debian 6: option domain-name-servers ns1.internal.example.org; I can see how using a dns name is convenient because it's only an A-record to change, and they can be load balanced if wanted, but I don't see how the client is going to resolve the name. Why are people using FQDN's as DNS-server addresses in DHCP?

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• Add static route through DHCP

  - by MathieuK

  I'm trying to get an OSX Lion Server to provide a static route to its clients (all OSX Lion) over DHCP. I can't get the client to actually apply the static route. So far, I've managed to get the DHCP server (BOOTPD) to actually serve the DHCP OPTION 33 (static_route) on the DHCP offers by editing /etc/bootpd.plist and adding something like: <key>dhcp_option_33</key> <data>[some base64 goes here]</data> .. and restarting the DHCP service. On the client I've managed to get the client to actually request the dhcp option by modifying and adding option 33 to the DHCPRequestedParameterList key: <key>DHCPRequestedParameterList</key> <array> ... keys snipped for brevity ... <integer>33</integer> </array> .. and rebooting the client. This makes the client request the static_route option from the DHCP server ( i can see the proper output in ipconfig getpacket en0 ) but it doesn't actually apply the rule. Has anyone ever succeeded in applying static_route options on OSX clients through DHCP?

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• Certain websites won't load with DHCP server

  - by Simon E

  Hi, I recently configured a server using Windows Server 2008 to take over from my router using DHCP Server. I disabled my router from assigning IPs too. All works well, except for certain sites that refuse to load e.g. "Firefox could not find www.amazon.co.uk" http://www.google.co.uk/ http://www.amazon.co.uk/ http://www.jobsite.co.uk/ I think it may have something to do with co.uk domain. If I reboot the server everything goes back to normal but of course thats not a good solution to do that every other day. Does anyone know of this problem or what it might be - I am very new to server technology.

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