Wireless Clients

I have a w2k3 domain with 50 wired clients and 2 laptop wireless clients,
Every so often, either of the wifi clients will loose its AD membership.
When you logon it tells you that the domain is unavailbale or the computer
account in the domain is missing. The wireless network is functioning fine at
this point.
The only way I can seem to cure this problem is to remove the laptop from
the domain and then join it again. This will cure the problem for a few weeks
and then it will re-occur.
Can anyone shed some light on this?

How long are the laptops disconnected from the network? They will be
dropped from the domain if they are unreachable for a while.

Jez wrote:
> I have a w2k3 domain with 50 wired clients and 2 laptop wireless
> clients, Every so often, either of the wifi clients will loose its AD
> membership. When you logon it tells you that the domain is
> unavailbale or the computer account in the domain is missing. The
> wireless network is functioning fine at this point.
> The only way I can seem to cure this problem is to remove the laptop
> from the domain and then join it again. This will cure the problem
> for a few weeks and then it will re-occur.
> Can anyone shed some light on this?

Bill, I have never seen what you are describing. And the acount is there,
obviously, since this poster has to delete the old account.

Jez,

This sounds like a wireless issue. Depending on how you are authenticating
there can be DC communication issues. Specifically I have seen this when
using certificates for authentication, but I wouldn't doubt it would happen
with other forms.
The Wireless acces point was our issue.
It would intermittently allow communications to the DCs and during log on
the systems started to be unable to talk to the LDAP service.
For a while they worked with cached credentials, and then they gave up the
ghost so to speak.
When I got pulled into the mess several clients had been off the line long
enough for thier computer account passwords to be expired.
This is a root issue for you I believe.
After verifiying connectivity right click the computer acount in the domain
and reset the account. And look at your wireless components.

"Bill Grant" wrote:

> How long are the laptops disconnected from the network? They will be
> dropped from the domain if they are unreachable for a while.
>
> Jez wrote:
> > I have a w2k3 domain with 50 wired clients and 2 laptop wireless
> > clients, Every so often, either of the wifi clients will loose its AD
> > membership. When you logon it tells you that the domain is
> > unavailbale or the computer account in the domain is missing. The
> > wireless network is functioning fine at this point.
> > The only way I can seem to cure this problem is to remove the laptop
> > from the domain and then join it again. This will cure the problem
> > for a few weeks and then it will re-occur.
> > Can anyone shed some light on this?
>
>
>

I wasn't aware that accounts were dropped from the domain if they are
"unreachable"

"Manny Borges" wrote:

> Bill, I have never seen what you are describing. And the acount is there,
> obviously, since this poster has to delete the old account.
>
> Jez,
>
> This sounds like a wireless issue. Depending on how you are authenticating
> there can be DC communication issues. Specifically I have seen this when
> using certificates for authentication, but I wouldn't doubt it would happen
> with other forms.
> The Wireless acces point was our issue.
> It would intermittently allow communications to the DCs and during log on
> the systems started to be unable to talk to the LDAP service.
> For a while they worked with cached credentials, and then they gave up the
> ghost so to speak.
> When I got pulled into the mess several clients had been off the line long
> enough for thier computer account passwords to be expired.
> This is a root issue for you I believe.
> After verifiying connectivity right click the computer acount in the domain
> and reset the account. And look at your wireless components.
>
> "Bill Grant" wrote:
>
> > How long are the laptops disconnected from the network? They will be
> > dropped from the domain if they are unreachable for a while.
> >
> > Jez wrote:
> > > I have a w2k3 domain with 50 wired clients and 2 laptop wireless
> > > clients, Every so often, either of the wifi clients will loose its AD
> > > membership. When you logon it tells you that the domain is
> > > unavailbale or the computer account in the domain is missing. The
> > > wireless network is functioning fine at this point.
> > > The only way I can seem to cure this problem is to remove the laptop
> > > from the domain and then join it again. This will cure the problem
> > > for a few weeks and then it will re-occur.
> > > Can anyone shed some light on this?
> >
> >
> >

They aren't, thier machine passwords get out of synch.

"Jez" wrote:

> I wasn't aware that accounts were dropped from the domain if they are
> "unreachable"
>
> "Manny Borges" wrote:
>
> > Bill, I have never seen what you are describing. And the acount is there,
> > obviously, since this poster has to delete the old account.
> >
> > Jez,
> >
> > This sounds like a wireless issue. Depending on how you are authenticating
> > there can be DC communication issues. Specifically I have seen this when
> > using certificates for authentication, but I wouldn't doubt it would happen
> > with other forms.
> > The Wireless acces point was our issue.
> > It would intermittently allow communications to the DCs and during log on
> > the systems started to be unable to talk to the LDAP service.
> > For a while they worked with cached credentials, and then they gave up the
> > ghost so to speak.
> > When I got pulled into the mess several clients had been off the line long
> > enough for thier computer account passwords to be expired.
> > This is a root issue for you I believe.
> > After verifiying connectivity right click the computer acount in the domain
> > and reset the account. And look at your wireless components.
> >
> > "Bill Grant" wrote:
> >
> > > How long are the laptops disconnected from the network? They will be
> > > dropped from the domain if they are unreachable for a while.
> > >
> > > Jez wrote:
> > > > I have a w2k3 domain with 50 wired clients and 2 laptop wireless
> > > > clients, Every so often, either of the wifi clients will loose its AD
> > > > membership. When you logon it tells you that the domain is
> > > > unavailbale or the computer account in the domain is missing. The
> > > > wireless network is functioning fine at this point.
> > > > The only way I can seem to cure this problem is to remove the laptop
> > > > from the domain and then join it again. This will cure the problem
> > > > for a few weeks and then it will re-occur.
> > > > Can anyone shed some light on this?
> > >
> > >
> > >

Sorry for the sloppy description. The client isn't deleted from the
domain, it just loses the ability to access it, as Manny described. It is
about 7 days from memory.

Manny Borges wrote:
> They aren't, thier machine passwords get out of synch.
>
> "Jez" wrote:
>
>> I wasn't aware that accounts were dropped from the domain if they are
>> "unreachable"
>>
>> "Manny Borges" wrote:
>>
>>> Bill, I have never seen what you are describing. And the acount is
>>> there, obviously, since this poster has to delete the old account.
>>>
>>> Jez,
>>>
>>> This sounds like a wireless issue. Depending on how you are
>>> authenticating there can be DC communication issues. Specifically I
>>> have seen this when using certificates for authentication, but I
>>> wouldn't doubt it would happen with other forms.
>>> The Wireless acces point was our issue.
>>> It would intermittently allow communications to the DCs and during
>>> log on the systems started to be unable to talk to the LDAP service.
>>> For a while they worked with cached credentials, and then they gave
>>> up the ghost so to speak.
>>> When I got pulled into the mess several clients had been off the
>>> line long enough for thier computer account passwords to be expired.
>>> This is a root issue for you I believe.
>>> After verifiying connectivity right click the computer acount in
>>> the domain and reset the account. And look at your wireless
>>> components.
>>>
>>> "Bill Grant" wrote:
>>>
>>>> How long are the laptops disconnected from the network? They
>>>> will be dropped from the domain if they are unreachable for a
>>>> while.
>>>>
>>>> Jez wrote:
>>>>> I have a w2k3 domain with 50 wired clients and 2 laptop wireless
>>>>> clients, Every so often, either of the wifi clients will loose
>>>>> its AD membership. When you logon it tells you that the domain is
>>>>> unavailbale or the computer account in the domain is missing. The
>>>>> wireless network is functioning fine at this point.
>>>>> The only way I can seem to cure this problem is to remove the
>>>>> laptop from the domain and then join it again. This will cure the
>>>>> problem for a few weeks and then it will re-occur.
>>>>> Can anyone shed some light on this?

7 days in NT 4.0 but this changed to 30 days in W2k.

"Bill Grant" <not.available@online> wrote in message
news:%(E-Mail Removed)...
> Sorry for the sloppy description. The client isn't deleted from the
> domain, it just loses the ability to access it, as Manny described. It is
> about 7 days from memory.
>
> Manny Borges wrote:
>> They aren't, thier machine passwords get out of synch.
>>
>> "Jez" wrote:
>>
>>> I wasn't aware that accounts were dropped from the domain if they are
>>> "unreachable"
>>>
>>> "Manny Borges" wrote:
>>>
>>>> Bill, I have never seen what you are describing. And the acount is
>>>> there, obviously, since this poster has to delete the old account.
>>>>
>>>> Jez,
>>>>
>>>> This sounds like a wireless issue. Depending on how you are
>>>> authenticating there can be DC communication issues. Specifically I
>>>> have seen this when using certificates for authentication, but I
>>>> wouldn't doubt it would happen with other forms.
>>>> The Wireless acces point was our issue.
>>>> It would intermittently allow communications to the DCs and during
>>>> log on the systems started to be unable to talk to the LDAP service.
>>>> For a while they worked with cached credentials, and then they gave
>>>> up the ghost so to speak.
>>>> When I got pulled into the mess several clients had been off the
>>>> line long enough for thier computer account passwords to be expired.
>>>> This is a root issue for you I believe.
>>>> After verifiying connectivity right click the computer acount in
>>>> the domain and reset the account. And look at your wireless
>>>> components.
>>>>
>>>> "Bill Grant" wrote:
>>>>
>>>>> How long are the laptops disconnected from the network? They
>>>>> will be dropped from the domain if they are unreachable for a
>>>>> while.
>>>>>
>>>>> Jez wrote:
>>>>>> I have a w2k3 domain with 50 wired clients and 2 laptop wireless
>>>>>> clients, Every so often, either of the wifi clients will loose
>>>>>> its AD membership. When you logon it tells you that the domain is
>>>>>> unavailbale or the computer account in the domain is missing. The
>>>>>> wireless network is functioning fine at this point.
>>>>>> The only way I can seem to cure this problem is to remove the
>>>>>> laptop from the domain and then join it again. This will cure the
>>>>>> problem for a few weeks and then it will re-occur.
>>>>>> Can anyone shed some light on this?
>
>