How to take backup remote server?

For Server2008 you can use Windows Server Backup which can be managed from any2008 server.

http://technet.microsoft.com/en-us/library/cc770266(v=ws.10).aspx

For Server2003:

Use Sysinternals PSExec and then launch ntbackup.

There's some automatic Backup solution like RPA's,that's will allow you to have synchronised backup.

1. Click Start , click Administrative Tools , and then click Windows Server Backup .

2. In the Actions pane of the snap-in default page, under Windows Server Backup , click Backup Schedule . This opens the Backup Schedule Wizard.

3. On the Getting Started page, click Next .

• 1. On the Select Backup Configuration page, do one of the following, and then click Next :
  2. Click Full server (recommended) to back up all volumes on the server. This is the recommended option.
  • Click Custom to back up just certain items, and then click Next .
    1. On the Select Items for Backup page, click Add Items . In Select Items , select the check boxes for the items that you want to back up. If you want to back up just certain folders or files, expand the folder tree and select the items that you want to include. Click OK .
    2. On the Select Items for Backup page, click Advanced Settings , click the Exclusions tab, click Add Exclusions , and then expand the folder tree and select the items that you want to exclude.
    3. On the VSS Settings tab, select either VSS full Backup or VSS copy Backup . Click OK , and then click Next .
• 1. On the Specify Backup Time page, do one of the following, and then click Next :
  2. Click Once a day , and then select the time from the drop-down list to start running the daily backup.

• Click More than once a day . Then, to select a start time, under Available time , click the time that you want the backup to start, and then click Add to move the time under Scheduled time . Repeat for each start time that you want to add.

1. On the Specify Destination Type page, select Back up to a shared network folder .

2. On the Specify Remote Shared Folder page, type the path to the folder. In this folder, a folder named WindowsImageBackup will be created. The backup that you create will be saved at: \\\\<RemoteServer>\\<SharedFolderPath>\\WindowsImageBackup\\<ComputerBackedUp >. Click Next .

3. The Register Backup Schedule dialog box will appear. Type a user name and password for a user account that is a member of the Administrators group or Backup Operators group and has write permissions on the computer that is hosting the remote shared folder, and then click OK .

4. On the Confirmation page, review the details, and then click Finish .

5. On the Summary page, click Close .

There is some backup software in market

Symentec Backup, CA Arc Serv, etc

Also you can use windows default utility ntbackup

its better that you install a new system with multiple NIC in it and connect all domain to newly install system, then use VNC or rdp to take backup remotly

First open "Server Manager" on any Server 2012 O/S

Then go to All Servers and find the server you want to remotely connect to (if it isn't there, add it)

Right click on the server you want to manage and select "Computer Management"

On the left panel there under "storage" will be Windows Server Backup. 

Even though it says local backup, its local as in local to the computer you are managing. You can run though all the backup/restore/setup options as if you were logged into the server itself.

In Microsoft SQL Server Management Studio you can right-click on the database you wish to backup and click Tasks -> Generate Scripts.

This pops open a wizard where you can set the following in order to perform a decent backup of your database, even on a remote server:

Select the database you wish to backup and hit next,

In the options it presents to you:

In 2010: under the Table/View Options, change 'Script Data' and 'Script Indexes' to True and hit next,

In 2012: under 'General', change 'Types of data to script' from 'Schema only' to 'Schema and data'

In 2014: the option to script the data is now "hidden" in step "Set Scripting Options", you have to click the "Advanced" and set "Types of data to script" to "Schema and data" value

In the next four windows, hit 'select all' and then next,

Choose to script to a new query window

Once it's done its thing, you'll have a backup script ready in front of you. Create a new local (or remote) database, and change the first 'USE' statement in the script to use your new database. Save the script in a safe place, and go ahead and run it against your new empty database. This should create you a (nearly) duplicate local database you can then backup as you like.

If you have full access to the remote database, you can choose to check 'script all objects' in the wizard's first window and then change the 'Script Database' option to True on the next window. Watch out though, you'll need to perform a full search & replace of the database name in the script to a new database which in this case you won't have to create before running the script. This should create a more accurate duplicate but is sometimes not available due to permissions restrictions.

With the help of server host name or IP address we take backup by Administrative Tools than step of Window server backup. 

Easily we can take backup like Cold backup, hit backup, daily backup. 

Choose any backup software for remote server backup which has the feature compiled on it.

you can use built in windows backup feature  , or you have to get either system center data protection manager (SCDPM) or any3rd party backup solutions like symantec or tivloi 

We can use symantec Backup exec for servers and Veeam backup for Microsoft Exchange Office 365