I have windows 7 on my machine with windows 2003 server on my virtualbox. my question is how do i use dyndns to see and log on to my domain from another location? I want to have people log on using my active dir on my server and I want them to access files. I don't want to have to go thru a webpage. I have already setup an account with dyndns and am having a very hard time trying to figure it out. any ideas on how i can get this to work? thanks
Dyndns is basically for creating a URL to a web server (or FTP, etc.) DNS has nothing to do with active directory or the ability to log into the server from the internet. Most people will run some remote desktop software to connect, from their own machines. For that, you need to know what remote desktop software is to be used (you decide), and then have to port forward the proper ports to the server. People would then connect by IP address (some remote desktop software may accept a URL/DNS name).
Check out:
https://secure.logmein.com/products/hamachi2/
They have some remote desktop software....
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Change expiration time for a DNS record in Windows DNS manager.wmv
Windows 2003 Installing and Configuring an Authoritative Ntp Network Time Server
Precision and time synchronisation is highly important for modern computer networks, without synchronisation many time sensitive transactions would be impossible to carry out.
The internal clock in computers does keep time and date information but these Real Time Chips are not designed to keep perfect time as computers are mass produced and optimized for low cost rather than being perfect clocks.
Of course for a lot of applications this can be more than adequate but for time-sensitive transactions such as online purchasing not having a network that is synchronised can cause errors in transactions and can even leave the network vulnerable to fraud.
Fortunately Windows Server from 2000 onwards has a time synchronisation utility built in call windows time (w32time.exe) this can be configured to allow the machine to be used as time server.
Windows time uses a form of NTP (Network Time Protocol) which was developed over 20 years ago. It uses an algorithm to synchronise time on a network. NTP (version 4) can maintain time over the public Internet to within 10 milliseconds (1/100th of a second) and can perform even better over LANs with accuracies of 200 microseconds (1/5000th of a second) under ideal conditions.
NTP uses a single time reference and synchronises all machines on the network to that time. It can be configured to both synchronise a network using the internal clock or an external time source.
Note: Microsoft strongly recommends that you configure a time server with a hardware source rather than from the internet where there is no authentication.
To configure the Windows Time service to use an external time source, click Start, Run and type regedit then click OK.
In the right pane, right-click Period, then click Modify.
In the Edit DWORD Value box, under Value Data, type 24 then OK
Exit Registry Editor
Click Start, then Run then type the following and press Enter:
Net stop w32time && net start w32time
Network Time Protocol (NTP) is an Internet protocol used for the transfer of accurate time, providing time information along so that a precise time can be obtained
To enable the Network Time Protocol; NTPserver, locate and click:
In the right pane, right-click NtpServer, then Modify, in the Edit DWORD Value under Value Data type In the right pane, right-click NtpServer, then Modify, in the Edit DWORD Value under Value Data type the Domain Name System (DNS), each DNS must be unique and you must append 0x1 to the end of each DNS name otherwise changes will not take effect.
In the right pane, right-click MaxPosPhaseCorrection, then Modify, in the Edit DWORD Value box, under Base, click Decimal, under Value Data, type a time in seconds such as 3600 (an hour) then click OK.
In the right pane, right-click MaxNegPhaseCorrection, then Modify.
In the Edit DWORD box under base, click Decimal, under value data type the time in seconds you want to poll such as 3600 (polls in one hour)
Exit Registry Editor
Now to restart windows time service, click Start, Run (or alternatively use the command prompt facility) and type:
net stop w32time && net start w32time
And on each computer, other than the time server, type:
W32tm/ -s and the time server should be up and running
About the Author
Richard N Williams is a technical author and a specialist in the telecommunications and network time synchronisation industry helping to develop dedicated NTP clocks. Please visit us for more information about NTP or other network time server solutions.
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10 Configuring Shadow Copies for Shared Folders Windows Server 2003
