Solved

DHCP - when i deactivate a scope i get a blue exclamation mark on the server IPv4 icon

Posted on 2013-12-11
5
6,290 Views
Last Modified: 2013-12-13
Hi.

I have a problem on a 2012 server running our DHCP services. One funny thing i notice is when i deactivate a IPv4 scope i created, the server IPv4 icon changes from a green V, to a blue exclamation mark icon. That would usually mean full scopes, and so on.
The problem here is that none of the scopes i have are even close to being full...
The total statistics for the server is:
Total adresses: 662
In Use: 216 (32%)
Avaliable: 446 (67%)

I can verify that the leases in each of my 5 scopes are consistant with the statistics, there are many avaliable addresses...

And yes, the DHCP service are authorized with a user with enough privileges. If my 5 scopes are activated, the green V is present. It's only when i deactivate a singel scope i see this blue exclamation mark..

Can this be a new "feature" from Microsoft, saying that "you do have a scope present with x number of avaliable adresses. But since you deactivate it, none of theese addresses can be used..".. :) Sounds really silly, but it kinda seems that way...
0
Comment
Question by:fmtrtga
  • 2
  • 2
5 Comments
 
LVL 14

Expert Comment

by:Ram Balachandran
ID: 39711134
The blue icon represent a DHCP server alert. No addresses are available from server scopes because the maximum (100 percent) of the addresses allocated for use are currently leased. This represents a failure of the DHCP server on the network because it is not able to lease or service clients.

Refer  this to identify in which category your server belongs to - http://technet.microsoft.com/en-us/library/gg722802(v=ws.10).aspx


How many scope you have currently ? You need to have atleast one scope for leasing IP address for the client machines.
0
 

Author Comment

by:fmtrtga
ID: 39711169
I know that the blue icon represents the server alert you mention, and the following information.

In regards to the scopes, it is still 5 scopes as i mentioned in the original post. An example on the status of thees scopes are as follows:
Address pool for distribution: 10.10.1.1 - 10.10.1.254
Address pool for exclutions: 10.10.1.1 - 10.10.1.10
Active leases for this scope, is from *.11 to *.145. Ergo, still avaliable addresses in the range *.146 to *.254...

We don't have any problems issuing new leases to clients, as i mentioned in the original post we have approx 6% avaliable addresses in total. None of the 5 scopes are close to being full, no one is over 50%.

My issue is still that all is green and ok if every scope is active... It is only when i make 1 of my scopes deactivated, the blue icon issue occurs.... Pretty freaking strange if you ask me...
0
 
LVL 14

Expert Comment

by:Ram Balachandran
ID: 39711188
Have you tried restarting DHCP Services ?
0
 

Author Comment

by:fmtrtga
ID: 39711208
Yes.

And it was a wrong posting in my last post, its not 6% avaliable addresses, its approx 67%.... So should not be an issue at all..
0
 
LVL 24

Accepted Solution

by:
lionelmm earned 400 total points
ID: 39714139
When you deactivate the scope that is the reason--deactivating is akin to removing it without having to re-create it when you re-activate it.
1

Featured Post

Windows Server 2016: All you need to know

Learn about Hyper-V features that increase functionality and usability of Microsoft Windows Server 2016. Also, throughout this eBook, you’ll find some basic PowerShell examples that will help you leverage the scripts in your environments!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Recently, I was assigned the task of performing a hardware refresh in the datacenter. The previous Windows 2008 systems were connected to the SAN via fiber channel HBA’s and among other thing, had PowerPath installed in order to provide sufficient f…
The article will show you how you can maintain a simple logfile of all Startup and Shutdown events on Windows servers and desktops with PowerShell. The script can be easily adapted into doing more like gracefully silencing/updating your monitoring s…
This tutorial will walk an individual through the process of installing the necessary services and then configuring a Windows Server 2012 system as an iSCSI target. To install the necessary roles, go to Server Manager, and select Add Roles and Featu…
With the advent of Windows 10, Microsoft is pushing a Get Windows 10 icon into the notification area (system tray) of qualifying computers. There are many reasons for wanting to remove this icon. This two-part Experts Exchange video Micro Tutorial s…

912 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

19 Experts available now in Live!

Get 1:1 Help Now