[cisco-voip] DHCP Backup Methods

[Lelio Fulgenzi]

After doing some reading, it seems that simply backing up the dhcp.mdb file is not enough if you need to restore the DHCP server on another server or rebuild the server from scratch, and that the registry configuration keys also need to be backed up. I got the above information from Microsoft's How to move a DHCP database to another Windows server. From that page, it also refers to the DHCPExIm.exe toolkit which will both backup the database and the configuration, however, it seems that a few things are not exported/imported, including: DHCP database path, DHCP database backup path, Audit log path, Detect Conflict Retry settings, Multicast scopes and BOOTP tables.

I'll be doing some testing in the lab, but wouldn't mind hearing about any 'real life' experiences where someone has had to restore the DHCP server.

 
-----                                                                -----
Lelio Fulgenzi, B.A.                                  lelio at uoguelph.ca.eh
Network Analyst (CCS)
University of Guelph                             FAX:(519) 767-1060 JNHN
Guelph, Ontario N1G 2W1                          TEL:(519) 824-4120 x56354
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     remove the 1st letter of the canadian alphabet from my email, eh!
  ----- Original Message ----- 
  From: Erick B. 
  To: Kevin Thorngren ; Lelio Fulgenzi 
  Cc: cisco-voip at puck.nether.net 
  Sent: Saturday, January 22, 2005 9:31 PM
  Subject: Re: [cisco-voip] DHCP Backup Methods


  Microsoft has a tool called DHCPExIm (DHCP
  Export/Import). I haven't tried this myself yet, but
  it was covered in one of the cisco online web
  trainings awhile back. I think it was mentioned in the
  4.x upgrade/maintainance/migration powerpoint session
  or similar.

  http://www.microsoft.com/windows2000/techinfo/reskit/tools/new/dhcpexim-o.asp

  --- Kevin Thorngren <kevint at cisco.com> wrote:

  > Hi Lelio,
  > 
  > I have asked many customers to enable Task
  > Schedular, for various  
  > reasons, on the CallManager without any issues.  I
  > am not sure of the  
  > recommended way to backup the MS DHCP server. 
  > Running NT backup is not  
  > supported on the CallManager.  Although if NT Backup
  > is only used for  
  > the DHCP DB then I don't see where you would run
  > into any issues.  Of  
  > course, as you probably know, the only supported
  > backup for CCM is  
  > either STI Backup or BARS.
  > 
  > HTH,
  > Kev
  > On Jan 22, 2005, at 1:02 PM, Lelio Fulgenzi wrote:
  > 
  > > I'm just wondering what sort of methods people are
  > using for backing  
  > > up their DHCP database. We're using a manual
  > method right now as we  
  > > make changes, but I'd like to automate it.
  > >   
  > > From my limited knowledge of Windows 2000, I
  > understand that I have to  
  > > enable the task scheduler before I can schedule
  > windows backup tasks.  
  > > Anyone have any problem enabling the windows task
  > schedule with a Call  
  > > Manager/DHCP server?
  > >  
  > > Thanks,
  > >  
  > > Lelio
  > >  
  > >
  > -----                                               
                 
  >  
  > > -----
  > > Lelio Fulgenzi,
  > B.A.                                   
  > > lelio at uoguelph.ca.eh
  > > Network Analyst (CCS)
  > > University of Guelph                            
  > FAX:(519) 767-1060  
  > > JNHN
  > > Guelph, Ontario N1G 2W1                         
  > TEL:(519) 824-4120  
  > > x56354
  > >
  >
  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  > 
  > > ^^^
  > >      remove the 1st letter of the canadian
  > alphabet from my email, eh!
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