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• VMware server 2.0 SYN/ACK repeating issues

  - by user65579

  VMWare Server 2.0.0 Build 122956 I am having some issues with connecting into a guest VM (Ubuntu linux 4.4.3-4 lucid) running under VMware 2.0 on a windows server host. All connections to and from the VM's work fine, except for FTP. I thought the issue was the FTP daemon at first but it has been ruled out that it is not the daemon or the server itself. When you try to connect to the FTP server from outside of the host OS it fails with a "421 Service not available" but when you try and connect from the local VM or from the host OS the connection goes through fine. I have ran many packet sniffs using wireshark/tcpdump from the VM, the host OS, and the client connecting, the most informative is the host OS. I have attached a PNG of the relavant packets that were captured. I viewed some other network traffic that was sniffed (WWW specifically) and it seems to do the same syn/ack repeating but the user doesnt see any issues. I have disabled the firewall and the issues persisits, I have tried with specific allow rules to ensure the data is allowed and no changes. It appears like VMware attempts to do the ICMP redirect and it works, but then it vmware repeats the packets sent so you get 3 syn/ack's for every one syn from the client. Also VMWare appears to be attempting to establish an FTP connection between the HOST OS and the GUEST OS, because I see the second SYN sent from the HOST OS to the GUEST to initiate a new connection, and it get the appropriate SYN/ACK followed by an ACK, but the client never sees any of this from its end. EG. syn from client syn/ack from host OS to client syn/ack from guest OS to client syn/ack from host OS to client The same thing happens when the connection reset is attempted, RST's start being sent and repeated, the server responds with a valid header to continue the FTP handshake but the RST acknowledgement is allready issued and things are closed. I am not 100% if this is a bug in VMware or possibly a VMNetwork missconfiguration. Does anyone have any thoughts on where exactly the issue could be, things to try to verify or rule out? I have linked to a picture of the relevant packets sniffed from the host OS. http://img18.imageshack.us/img18/7789/vmwareftpconnection.jpg

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• How to change the default domain controller when querying AD in a different site ?

  - by Linefeed

  We have 2 different locations, and at both site we have multiple domain controllers (Win2008). In our application we use Serverless Binding to execute our LDAP queries http://msdn.microsoft.com/en-us/library/ms677945(v=vs.85).aspx. If we look at de DnsHostName of the LDAP://RootDse on site B we always get the default domain controller of site A. Therefor all LDAP queries go much slower. Is there a way to change the default domain controller per site ?

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• I'm think n+1 in a hyper-v r2 cluster managed by scvmm is not a great idea anymore

  - by tony roth

  Around here the clusters (not hyper-v clusters) are typically configured as n+1, so they are asking me to create a n+1 hyper-v r2 clusters. These will configured with both csv's and live migration and managed via scvmm r2. My thinking is that its a waste in having a node sitting there idle. In my opinion it would be better to have headroom left over for what would traditionally the +1 server spread amongst the N nodes. Anybody have an opinion on this. thanks

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• Windows Server Connected to Domain Without Being Domain Controller

  - by saluce

  Can a Windows Server be connected to an Active Directory domain without being a domain controller? Here's the scenario: I want to use Windows Server 2012 to run several virtual machines for testing our web application in a variety of environments. We have a corporate domain, and I'd like to use the corporate login (or at least a common login) on each of the virtual machines without necessarily having to get IT to set up each virtual machine on the corporate domain. Also, I need the server itself to be able to authenticate domain logins (the app uses domain login information for users to login). However, I absolutely do NOT want it to be a DC on the corporate network. Thus, my questions: Can a Windows Server be connected to an Active Directory domain without being a DC? Can a Windows Server authenticate users on another domain without being a part of that domain? Can a Windows Server be a domain controller in a small network (comprised of just the server and itself) and use the corporate domain's Active Directory for authenticating user logins to the server, the web app, and the virtual machines?

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• Visual Studio Installed - Icons not showing correctly

  - by James

  Hello, I have just installed Visual Studio but it seems to have not installed properly. Here is a picture of the problem: As you can see, there is no icon for the solution file even though Windows recognizes it correctly as a Visual Studio solution and opens it correctly. How can I fix this? Thankyou.

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• SQL Server: Log file grows more and more, and do not get merged with the MDF file

  - by SDReyes

  My database files look very suspicious. we are using the DB in a production stage. and I'm seeing how the LDF file grows more and more. while the MDF file seems as it is not growing at all (I don't have a file size history to demonstrate it, but I think it is not doing it!! I bet!) So I guess what could be happening? How could I force the merge to the MDF?

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• Do two portforward rules translate to "and"?

  - by blsub6

  I just set up an Exchange server to replace my DeskNow mail server. I want to start testing my internet mail exchange of my Exchange server. I can only set the MX records on my DNS up to my one external IP address so I was thinking that I could set up a firewall rule on my internet-facing firewall that port forwarded the smtp packets to two different servers. My question is: If I do that, will that mean that the smtp packets will be forwarded to just the first internal IP on the list? Or does it mean that the packet will be cloned and sent to both IPs?

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• Windows DFS Limitations

  - by Phil

  So far I have seen an article on performance and scalability mainly focusing on how long it takes to add new links. But is there any information about limitations regarding number of files, number of folders, total size, etc? Right now I have a single file server with millions of JPGs (approx 45 TB worth) that are shared on the network through several standard file shares. I plan to create a DFS namespace and replicate all these images to another server for high availability purposes. Will I encounter extra problems with DFS that I'm otherwise not experiencing with plain-jane file shares? Is there a more recommended way to replicate these millions of files and make them available on the network? EDIT: I would experiment on my own and write a blog post about it, but I don't have the hardware for the second server yet. I'd like to collect information before buying 45 TB of hard drive space...

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• I'm thinking n+1 in a hyper-v r2 cluster managed by scvmm is not a great idea anymore

  - by tony roth

  Around here the clusters (not hyper-v clusters) are typically configured as n+1, so they are asking me to create a n+1 hyper-v r2 clusters. These will configured with both csv's and live migration and managed via scvmm r2. My thinking is that its a waste in having a node sitting there idle. In my opinion it would be better to have headroom left over for what would traditionally the +1 server spread amongst the N nodes. Anybody have an opinion on this. thanks

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• Can Ping but Cannot Telnet directly to SQL Server 2012 Cluster Nodes

  - by tresstylez

  We have a monitoring tool (Solarwinds Orion) that needs to connect to a 2-node failover SQL Server Cluster. For reasons outside of our control -- we cannot monitor the CLUSTER IP directly at this time, so we have fallen back to monitoring each cluster node IP directly. This is not working. Upon troubleshooting, we tried to test that the cluster node was listening on the proper (fixed) port by using telnet to the cluster node IP/port -- and the telnet failed. However, telnet'ing to the Cluster IP/Port was SUCCESSFUL! Each node has its own IP. Each node is listening on the identical FIXED port. Each node has Dynamic Ports disabled. Each node can be PINGED successfully from the monitoring tool. Windows Firewall is DISABLED. How can I troubleshoot why I cannot telnet to the listening port on the cluster nodes?

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• Developing and implementing a testing plan for a software app deployed on a web server

  - by Abhzoo

  A company in the USA is building a new Web App that will be offered SaaS to customers and the development is being done by a software development team located in a different country(India). They are about to take delivery of a first demo to provide live feedback to the team in India. The overseas team requires a cloud server (Windows + SQL Standard, 8GB Ram, 8 vCPUs, 40GB SSD system disk, 80GB SSD data disk, 1600Mb/s network bandwidth) to serve as a tester server. When the tester is setup the team will install the app on the test server to get live feedback. Q:Explain in detail how you will develop and implement a testing plan for the software App. Be sure to explain the specifics. PLEASE HELP, NEED ANSWER ASAP

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• Is it a good practice to place the executable on a fileserver?

  - by Ice

  Assuming the components like *.dll's, *.ocx's installed and registered on the clients there exists the possibility to place the *.exe and some related files on the fileserver. To start the application there are links on the client's desktops which runs the \fileserver\AppPath\exe. Would you agree with such a layout? What if 'the client' is a terminal-server and 'the clients' means a terminal-server-farm?

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• Visual Studio not auto-building when I press the debug button

  - by Kurru

  Hi I'm writing code in Visual Studio but whenever I want to test the application and press the green arrow for "Start debugging", Visual Studio does not automatically recompile the active solution for me and I have to manually build the solution then debug it. Visual Studio used to automatically build before debug and I want this back as contantly having to manually build is a serious pain. Thanks

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• How do you apply proxy settings per computer instead of per user?

  - by Oliver Salzburg

  So far, I've used a user group policy object utilizing Internet Explorer maintenance to set a proxy for the user in IE. We have now deployed the Enterprise Client (EC) starter group policy to our domain and this policy affects this behavior. The EC group policy uses the policy Make proxy settings per-machine (rather than per-user). This policy describes itself as: This policy is intended to ensure that proxy settings apply uniformly to the same computer and do not vary from user to user. Great! This seems to be an improvement over my previous setup. If you enable this policy, users cannot set user-specific proxy settings. They must use the zones created for all users of the computer. What zones and where do I configure the proxy settings for them? I assumed the policy would simply take the user settings and apply them, but that's not what's happening. Now no proxy server is set at all. So my previous settings obviously no longer have any effect. So far, I've only come up with solutions that involved direct manipulation of the Windows registry. Which is fine, I guess, but the way the proxy is configured for users makes it appear as if there could be a higher level approach.

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• Cannot access folder locally, but can remotely

  - by Cylindric

  I'm having a peculiar problem on one of my servers at the moment, which seems to be related to authentication in some way, but I have no idea how to find the root of the problem. I have a folder on the server D:\Somefolder\Logs. If I am connected to the server via an RDP terminal, so essentially "local", I cannot access that folder - I get an access denied. If I am connecting from my machine to it using the share \server\d$\Somefolder\Logs, I can access it. I'm logging in to both machines as the same user. Permissions on the folder seem quite simple, CREATOR OWNER, SYSTEM and Administrators. I am a Domain Admin, and they are in the local "Administrators" group. It is also affecting things like access to SQL Server, so I don't think it's a simple folder-permissions thing. For example, I cannot connect SQL Management Studio to all the local SQL instances using a domain account, but I can if I connect remotely to it.

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• Cannot access shares via full domain name on Server 2008R2

  - by Stu

  Hi, I have a strange issue. We have a 2008R2 PDC and BDC. I can join the domain fine and everything seems "normal". However, on some of the other 2008R2 servers, I am unable to do things like a gpupdate. When I try, I get an error that the clocks are wrong (they aren't) and that I don't have permission. So far, this has only affected our 2008R2 servers -- the Win 7 clients are fine. The really strange things is if I browse to: \\mydomain.lan\sysvol - I get the error. But! if I browse to: \\MYDOMAIN\sysvol - it works fine. I can also access the \hostname.domain\sysvol remotely for each of the DC's and it's fine. So in short, it appears the permissions are fine since I can access them all individually on the same account. It also seems unlikely it's on the server as most clients can access it fine. The only drama I have is when I try to use the full domain name (which of course gpupdate does) on a 2008R2 server. Also, it's not just sysvol...netlogon has the same issues too on the affected machines. Any ideas? Thanks! Drew

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• Is it possible to open an Active Director or Exchange Management Console user dialog directly from Powershell?

  - by Myrddin Emrys

  I'd like to be able to launch either the AD user dialog, or the EMC mailbox dialog directly from a Powershell script to open a specific user. The workflow goes something to the effect of "Does everything look correct on this user? Y/N" to continuing on, or to bringing up the account to edit. There's no reason to completely duplicate the functionality of these dialogs. I don't mind requiring that EMC or ADU&C already be open before the script is run, if necessary.

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• Windows 7 accounts on a 2008r2 DC keep getting locked out randomly

  - by Matt

  As the title states, this happens randomly to Windows 7 accounts on our Windows 2008R2 domain controller. We just had this start happening after changing from 123together hosted exchange to Rackspace hosted exchange. Also around this time our passwords on the DC started expiring, but not the exact day, and everyone has different days they need to change it before. It has only affected 10 out of 30 accounts, and I see no link between them. What are some fixes I should run or things to look for?

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• RAID1: Migrate HDD to SSD?

  - by OMG Ponies

  My current workstation uses an Adaptec 5805, with Win2008 mirrored between two 72 GB (10K?) savvio drives. My question is if there's a way to migrate the mirror to use SSDs - I've been looking at 90GB Corsair Force (Sandy Bridge) to replace the existing setup. If it's possible, without installing the OS fresh. If I replaced the mirrored drive with an SSD, would the array sync the drives? Then I could promote the SSD mirror to be the primary, and use the second SSD as the mirror. That'd be too easy... Or should use Ghost to get an image of the existing setup, apply it to the SSD for a new mirror to be setup on?

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• How do I log back into a Windows Server 2003 guest OS after Hyper-V integration services installs and breaks my domain logins?

  - by Warren P

  After installing Hyper-V integration services, I appear to have a problem with logging in to my Windows Server 2003 virtual machine. Incorrect passwords and logins give the usual error message, but a correct login/password gives me this message: Windows cannot connect to the domain, either because the domain controller is down or otherwise unavailable, or because your computer account was not found. Please try again later. If this message continues to appear, contact your system administrator for assistance. Nothing pleases me more than Microsoft telling me (the ersatz system administrator) to contact my system administrator for help, when I suspect that I'm hooped. The virtual machine has a valid network connection, and has decided to invalidate all my previous logins on this account, so I can't log in and remotely fix anything, and I can't remotely connect to it from outside either. This appears to be a catch 22. Unfortunately I don't know any non-domain local logins for this virtual machine, so I suspect I am basically hooped, or that I need ophcrack. is there any alternative to ophcrack? Second and related question; I used Disk2VHD to do the conversion, and I could log in fine several times, until after the Hyper-V integration services were installed, then suddenly this happens and I can't log in now - was there something I did wrong? I can't get networking working inside the VM BEFORE I install integration services, and at the very moment that integration services is being installed, I'm getting locked out like this. I probably should always know the local login of any machine I'm upgrading so I don't get stuck like this in the future.... great. Now I am reminded again of this.

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• Need to use wusa to stop endless rebooting on R2

  - by Jack

  I installed 3 updates, which after rebooting resulted in a reboot loop, never going past the "configuring your computer for windows" stage. Last known good configuration, safe mode etc make no difference (as expected). I have no system restore images available. I used dism to uninstall one of the updates, but the other two appear to be MSP patches, and so I cannot use dism to uninstall them. From what I have been reading it appears I must use wusa, however wusa does not seem to be included in WinRE. Does anyone have a suggestion of how I can access wusa to uninstall these updates, and hopefully reverse this problem?

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• What laptop for dev with VS

  - by Gareth

  Im looking to spend upto £500 on a laptop in the next few days, and am now after a bit of adivce. This laptop will be used to develop personal projects on using VS2010, and SQL sever express. I know this sort of question has been asked plenty before however Im looking for specifics, has anyone bought a laptop recently to run VS on and if so what did you get? has anyone seen any good deals on laptops that fit in my price range? Any suggestions apprieciated Thanks

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• IPv6 in a Small Business

  - by Martyn

  I’ve been tasked to identify a new server and IT equipment for the company I work for (employees <20). I’m looking at getting a SBS 2011 Standard box. My Question is: Apart from ensuring that our router is IPv6 compliant, is there anything else I need to do/investigate to ensure that we won’t have IPv6 related problems in the future? When investigating this I can only find references to DNS Mangers etc. The SBS 2011 box will be used for exchange and remote log in access – it won’t be hosting any websites. Also will VOIP phone systems be affected by IPv6? (We are running a rather old VOIP system, would that need to be updated?

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• Why does my company's software download get blocked by anti-virus programs when downloading from the company website but not other websites?

  - by Adam Burgess

  My company distributes software via website download off of a URL that is on our company's website. The download is an .EXE. We are getting calls from multiple customers saying the download is being blocked. We can help them download by turning off the virus-scan software, but wondering what is causing the block. Here are the details: We have other downloadable .EXEs that download fine without being blocked from the same company website. Our problem download file downloads fine from other websites (i.e., Dropbox) without being blocked. In summary, this one particular download from our company website is being blocked by various anti-virus programs a high percentage of the time. Any suggestions?

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• Fixing a typo in machine name

  - by justSteve

  When i installed windows i had a typo in the machine name that i corrected from the system's 'Computer Name/Domain Changes' - the workstation is a member of a workgroup not a domain. From everything i can see the renamed machine name is correct. Shift gears.... I'm importing SQL logins from my remote server to this, my development workstation and have used the script presented here - a script that generates a CREATE statement for each login found. While I was preparing to run this script's output (from the remote box) i needed to change the domain name from the remote to my local's name - so i ran the same script locally (in order to see what SQL things my domain name is. SQL has the original machine name - the one with the typo. However, the scripts are tossing errors if i try to create logins with that identifier. CREATE LOGIN [Setve\Admin] FROM WINDOWS WITH DEFAULT_DATABASE = [master] But works correctly if i use the updated machine name: CREATE LOGIN [Steve\Admin] FROM WINDOWS WITH DEFAULT_DATABASE = [master] So the problem is: do i have a problem i need to solve? Somewhere, deep in the guts of SQL Server, it has record of a Domain name that does not exist. Should i find and fix that discrepancy? thx

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