"John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
news:E8BD8D16-B08B-4B61-AF7A-FB04D28521C7@microsoft.com...
> I am experiencing a issue where my DHCP server is giving out 2 IP address
> per
> PC. One IP is the Active Lease and the second IP is shown as RAS, which
> seems
> to be given out anywhere from 15 seconds to ~3-4 minutes later. My servers
> has had 10 of these RAS IP given out to it and my clients will only have 1
> RAS IP (This does not include the Active IP that originally been given to
> the
> PCs/Servers.) My problem is that it that eventually I run out of IP
> address
> and have to start manually deleting those RAS IPs. Another thing I have
> noticed is when I look at the Address Leases on the DHCP server, I see a
> slightly different DNS name between the Active IP and the RAS IP.
> Here is my configuration:
> Class C IP range with 255 IP address.
> Domain naming:   PC.Sub-Domain.Domain.Com.
> The 2 names in DHCP are:
> Active IP given to:            PC.Sub-Domain.Domain.Com.
> RAS IP given to:                                PC. Domain.Com.
> Any ideas on what is causing this?
>

"Bill Grant" wrote:

>
>
> "John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
> news:E8BD8D16-B08B-4B61-AF7A-FB04D28521C7@microsoft.com...
> > I am experiencing a issue where my DHCP server is giving out 2 IP address
> > per
> > PC. One IP is the Active Lease and the second IP is shown as RAS, which
> > seems
> > to be given out anywhere from 15 seconds to ~3-4 minutes later. My servers
> > has had 10 of these RAS IP given out to it and my clients will only have 1
> > RAS IP (This does not include the Active IP that originally been given to
> > the
> > PCs/Servers.) My problem is that it that eventually I run out of IP
> > address
> > and have to start manually deleting those RAS IPs. Another thing I have
> > noticed is when I look at the Address Leases on the DHCP server, I see a
> > slightly different DNS name between the Active IP and the RAS IP.
> > Here is my configuration:
> > Class C IP range with 255 IP address.
> > Domain naming:   PC.Sub-Domain.Domain.Com.
> > The 2 names in DHCP are:
> > Active IP given to:            PC.Sub-Domain.Domain.Com.
> > RAS IP given to:                                PC. Domain.Com.
> > Any ideas on what is causing this?
> >
>     Servers will lease 10 or more IPs from DHCP if they are configured as
> remote access servers and do not have a static pool of addresses set up. If
> they are workstations, they have probably been configured to allow incoming
> connections.
>
> 
>
>

"Bill Grant" wrote:

>
>
> "John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
> news:E8BD8D16-B08B-4B61-AF7A-FB04D28521C7@microsoft.com...
> > I am experiencing a issue where my DHCP server is giving out 2 IP address
> > per
> > PC. One IP is the Active Lease and the second IP is shown as RAS, which
> > seems
> > to be given out anywhere from 15 seconds to ~3-4 minutes later. My servers
> > has had 10 of these RAS IP given out to it and my clients will only have 1
> > RAS IP (This does not include the Active IP that originally been given to
> > the
> > PCs/Servers.) My problem is that it that eventually I run out of IP
> > address
> > and have to start manually deleting those RAS IPs. Another thing I have
> > noticed is when I look at the Address Leases on the DHCP server, I see a
> > slightly different DNS name between the Active IP and the RAS IP.
> > Here is my configuration:
> > Class C IP range with 255 IP address.
> > Domain naming:   PC.Sub-Domain.Domain.Com.
> > The 2 names in DHCP are:
> > Active IP given to:            PC.Sub-Domain.Domain.Com.
> > RAS IP given to:                                PC. Domain.Com.
> > Any ideas on what is causing this?
> >
>     Servers will lease 10 or more IPs from DHCP if they are configured as
> remote access servers and do not have a static pool of addresses set up. If
> they are workstations, they have probably been configured to allow incoming
> connections.
>
> 
>
>

"John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
news:B3CFB8E1-101C-4948-A541-5E2BDCAA4A91@microsoft.com...
> Also what are the implications of turning this off?
>
> "Bill Grant" wrote:
>
>>
>>
>> "John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
>> news:E8BD8D16-B08B-4B61-AF7A-FB04D28521C7@microsoft.com...
>> > I am experiencing a issue where my DHCP server is giving out 2 IP
>> > address
>> > per
>> > PC. One IP is the Active Lease and the second IP is shown as RAS, which
>> > seems
>> > to be given out anywhere from 15 seconds to ~3-4 minutes later. My
>> > servers
>> > has had 10 of these RAS IP given out to it and my clients will only
>> > have 1
>> > RAS IP (This does not include the Active IP that originally been given
>> > to
>> > the
>> > PCs/Servers.) My problem is that it that eventually I run out of IP
>> > address
>> > and have to start manually deleting those RAS IPs. Another thing I have
>> > noticed is when I look at the Address Leases on the DHCP server, I see
>> > a
>> > slightly different DNS name between the Active IP and the RAS IP.
>> > Here is my configuration:
>> > Class C IP range with 255 IP address.
>> > Domain naming:   PC.Sub-Domain.Domain.Com.
>> > The 2 names in DHCP are:
>> > Active IP given to:            PC.Sub-Domain.Domain.Com.
>> > RAS IP given to:                                PC. Domain.Com.
>> > Any ideas on what is causing this?
>> >
>>     Servers will lease 10 or more IPs from DHCP if they are configured as
>> remote access servers and do not have a static pool of addresses set up.
>> If
>> they are workstations, they have probably been configured to allow
>> incoming
>> connections.
>>
>>
>>
>>

"Bill Grant" wrote:

>
>
> "John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
> news:B3CFB8E1-101C-4948-A541-5E2BDCAA4A91@microsoft.com...
> > Also what are the implications of turning this off?
> >
> > "Bill Grant" wrote:
> >
> >>
> >>
> >> "John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
> >> news:E8BD8D16-B08B-4B61-AF7A-FB04D28521C7@microsoft.com...
> >> > I am experiencing a issue where my DHCP server is giving out 2 IP
> >> > address
> >> > per
> >> > PC. One IP is the Active Lease and the second IP is shown as RAS, which
> >> > seems
> >> > to be given out anywhere from 15 seconds to ~3-4 minutes later. My
> >> > servers
> >> > has had 10 of these RAS IP given out to it and my clients will only
> >> > have 1
> >> > RAS IP (This does not include the Active IP that originally been given
> >> > to
> >> > the
> >> > PCs/Servers.) My problem is that it that eventually I run out of IP
> >> > address
> >> > and have to start manually deleting those RAS IPs. Another thing I have
> >> > noticed is when I look at the Address Leases on the DHCP server, I see
> >> > a
> >> > slightly different DNS name between the Active IP and the RAS IP.
> >> > Here is my configuration:
> >> > Class C IP range with 255 IP address.
> >> > Domain naming:   PC.Sub-Domain.Domain.Com.
> >> > The 2 names in DHCP are:
> >> > Active IP given to:            PC.Sub-Domain.Domain.Com.
> >> > RAS IP given to:                                PC. Domain.Com.
> >> > Any ideas on what is causing this?
> >> >
> >>     Servers will lease 10 or more IPs from DHCP if they are configured as
> >> remote access servers and do not have a static pool of addresses set up.
> >> If
> >> they are workstations, they have probably been configured to allow
> >> incoming
> >> connections.
> >>
> >>
> >>
> >>
>
>     I can't think of any reason why this would happen if RRAS is not
> configured as a remote access server.
>
>     By default, RRAS is not configured at all.
>
>

"John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
news:692AB0EA-085F-413F-8DC5-4CEDE7F8E8E8@microsoft.com...
> Just to let you know what I did, I found the RRAS service started and once
> I
> turned it off, it released the xtra IPs. It looks like the default is the
> RRAS service is active even if it is unconfigured and pull extra IP from
> the
> DHCP server. The XP/Vista Workstations are setup the same way. I would
> consider this to be a bad desing flaw as on a network you would have to
> either remember to only allow half of pcs per number of IPs allocated to
> the
> subnet or disable the RASS service on every single PC/server on the
> subnet.
>
> John

"Ace Fekay [Microsoft Certified Trainer]" wrote:

> "John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
> news:692AB0EA-085F-413F-8DC5-4CEDE7F8E8E8@microsoft.com...
> > Just to let you know what I did, I found the RRAS service started and once
> > I
> > turned it off, it released the xtra IPs. It looks like the default is the
> > RRAS service is active even if it is unconfigured and pull extra IP from
> > the
> > DHCP server. The XP/Vista Workstations are setup the same way. I would
> > consider this to be a bad desing flaw as on a network you would have to
> > either remember to only allow half of pcs per number of IPs allocated to
> > the
> > subnet or disable the RASS service on every single PC/server on the
> > subnet.
> >
> > John
>
> By default, the service is disabled, unless it is configured using the RRAS
> console. So IMHO, I believe it was configured at one point, but for some
> reason when it was turned off using the console, the service continued to
> come up automatically, otherwise this wouldn't have occured in a default
> installation.
>
> By default, yes, when RRAS is configured and started, it will pull blocks of
> 10 IPs at a time as needed for RRAS clients.
>
> If you are saying that you are finding your machines to have RRAS service
> set to automatic and are started, is there some sort of GPO or other policy
> or app that is installed that is turning it on?
>
> Are your machines installed based on an image that the RRAS service was set
> to automatic?
>
> Like I said, by default it is disabled on servers and desktop operating
> systems with fresh installs.
>
> --
> Ace
>
> This posting is provided "AS-IS" with no warranties or guarantees and
> confers no rights.
>
> Please reply back to the newsgroup/forum to benefit from collaboration among
> responding engineers, as well as to help others benefit from your
> resolution.
>
> Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSA Messaging, MCT
> Microsoft Certified Trainer
> ace***@mvps.RemoveThisPart.org
> http://twitter.com/acefekay
>
> For urgent issues, you may want to contact Microsoft PSS directly. Please
> check http://support.microsoft.com for regional support phone numbers.
>
>
>
>
>
>

"Ace Fekay [Microsoft Certified Trainer]" wrote:

> "John Czahor" <JohnCza***@discussions.microsoft.com> wrote in message
> news:692AB0EA-085F-413F-8DC5-4CEDE7F8E8E8@microsoft.com...
> > Just to let you know what I did, I found the RRAS service started and once
> > I
> > turned it off, it released the xtra IPs. It looks like the default is the
> > RRAS service is active even if it is unconfigured and pull extra IP from
> > the
> > DHCP server. The XP/Vista Workstations are setup the same way. I would
> > consider this to be a bad desing flaw as on a network you would have to
> > either remember to only allow half of pcs per number of IPs allocated to
> > the
> > subnet or disable the RASS service on every single PC/server on the
> > subnet.
> >
> > John
>
> By default, the service is disabled, unless it is configured using the RRAS
> console. So IMHO, I believe it was configured at one point, but for some
> reason when it was turned off using the console, the service continued to
> come up automatically, otherwise this wouldn't have occured in a default
> installation.
>
> By default, yes, when RRAS is configured and started, it will pull blocks of
> 10 IPs at a time as needed for RRAS clients.
>
> If you are saying that you are finding your machines to have RRAS service
> set to automatic and are started, is there some sort of GPO or other policy
> or app that is installed that is turning it on?
>
> Are your machines installed based on an image that the RRAS service was set
> to automatic?
>
> Like I said, by default it is disabled on servers and desktop operating
> systems with fresh installs.
>
> --
> Ace
>
> This posting is provided "AS-IS" with no warranties or guarantees and
> confers no rights.
>
> Please reply back to the newsgroup/forum to benefit from collaboration among
> responding engineers, as well as to help others benefit from your
> resolution.
>
> Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSA Messaging, MCT
> Microsoft Certified Trainer
> ace***@mvps.RemoveThisPart.org
> http://twitter.com/acefekay
>
> For urgent issues, you may want to contact Microsoft PSS directly. Please
> check http://support.microsoft.com for regional support phone numbers.
>
>
>
>
>
>