Anyone using DHCP failover on 2012r2? I'm seeing some unexpected things. The
one that particularly surprised me was that server filters don't appear to be
replicated even though all scopes are replicated between the servers. Is that
normal?
Melvin Backus | Sr. Systems En
Is this correct so far? And if so, at the next attempt the account enters a
valid password, again to DC2, the new values will be:
PDCe1=0
DC2=0
DC3=0
DC4=0
I’d expect the new values to be
PDCe1=2
DC2=0
DC3=1
DC4=1
I can’t think of why the successful login with chain to the PDCe, which is what
DHCP failover is missing a very needed feature of automatic replication. I
created a PowerShell script that I ran from a scheduled task to handle it. This
is the main line in the script that did the work:
Invoke-DhcpServerv4FailoverReplication -ComputerName $PrimaryDHCP -Force
- Stephen
From: l
So pardon my apparent blindness, but what critical function would that be? It
appears that once the configuration is setup it constantly replicates as part
of the normal operation.
--
There are 10 kinds of people in the world...
those who understand binary and those who don't.
From:
IIRC things like DHCP reservations do not replicate to the failover server
without help from powershell scripts like the below
From: listsad...@lists.myitforum.com [mailto:listsad...@lists.myitforum.com] On
Behalf Of Melvin Backus
Sent: Wednesday, May 18, 2016 9:09 AM
To: ntsysadm@lists.myitforu
That we have.
To answer some of the other suggestions – there *might* be Offline files
involved – I’ll check that out today. They started with a pretty default SBS
server setup, and Offline Files is, I think, a default.
And if that doesn’t give us any results, we will try a logon script.
--Popp
IMHO, if you need failover, the correct answer is almost always ESX or Hyper-V.
In the many years that I've been dealing with computers, trying to do failover
at the application level is usually an exercise in frustration.
From: listsad...@lists.myitforum.com [mailto:listsad...@lists.myitforum.c
I tend to disagree with this statement. While server virtualization provides
great HA and Failover capabilities, I've always found that leveraging an
application's built-in HA/Redundancy/Replication capabilities (i.e. SQL,
Exchange, etc.) generally provides better performance, easier supportabil
I have to agree with Sean.
The overhead of server virtualization for something like redundancy of DHCP is
overkill in many ways.
The HA now available for DHCP service is nice, and only really missing two-way
sync. At present, one-way full replication is currently available via GUI or
script.
Autom
I use 2012 R2 DHCP redundancy at two businesses and I like it. One client has a
small single /24 network (two sites, DHCP at each so I’m covered for IP if the
link breaks). Another business - %dayjob% actually – is far more diverse and
getting DCHP helpers on the managed switches took a bit of e
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