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Home » Microsoft » Windows Server » Active Directory » AD REPLICATION
AD REPLICATION [message #396262] Sat, 20 February 2010 19:09 Go to next message
redtil2001  is currently offline redtil2001  France
Messages: 1
Registered: February 2010
Junior Member
Hello,

I have 2 servers windows 2003. On one of them, Exhange 2003 is installed.
The 2 servers are DC

Exchange Serveur was destroyed and I restored an image (acronis) since 2
days.
Restore succefully with none problem.
BUT in Exchange some users don't receive their emails, they remain in the
queue.

After many research, the probleme comes from AD replication.

When i use REPADMIN /SHOWREPL i have : "The server destination
reject currently replications requests" 2709 consecutives
failures Last success @ 2010-02-13 19:49:11", the day and the time are
exactly the same
that the moment of the ghost !

I search in the internet and like request i use NETDIAG (all is ok) but with
DC DIAG i have a time problem :

Running enterprise tests on : EX.RSX
Starting test: Intersite
......................... EX.RSX passed test Intersite
Starting test: FsmoCheck
Warning: DcGetDcName(TIME_SERVER) call failed, error 1355
A Time Server could not be located.
The server holding the PDC role is down.
Warning: DcGetDcName(GOOD_TIME_SERVER_PREFERRED) call failed,

A Good Time Server could not be located.
......................... EX.RSX failed test FsmoCheck


Help !!! Please
(sorry for my english)
Re: AD REPLICATION [message #396358 is a reply to message #396262] Sun, 21 February 2010 01:19 Go to previous messageGo to next message
aceman  is currently offline aceman  United States
Messages: 5816
Registered: July 2009
Senior Member
"Réda" <redtil2001@yahoo.fr> wrote in message
news:OicEhrpsKHA.3408@TK2MSFTNGP06.phx.gbl...
> Hello,
>
> I have 2 servers windows 2003. On one of them, Exhange 2003 is installed.
> The 2 servers are DC
>
> Exchange Serveur was destroyed and I restored an image (acronis) since 2
> days.
> Restore succefully with none problem.
> BUT in Exchange some users don't receive their emails, they remain in the
> queue.
>
> After many research, the probleme comes from AD replication.
>
> When i use REPADMIN /SHOWREPL i have : "The server destination
> reject currently replications requests" 2709 consecutives
> failures Last success @ 2010-02-13 19:49:11", the day and the time are
> exactly the same
> that the moment of the ghost !
>
> I search in the internet and like request i use NETDIAG (all is ok) but
> with DC DIAG i have a time problem :
>
> Running enterprise tests on : EX.RSX
> Starting test: Intersite
> ......................... EX.RSX passed test Intersite
> Starting test: FsmoCheck
> Warning: DcGetDcName(TIME_SERVER) call failed, error 1355
> A Time Server could not be located.
> The server holding the PDC role is down.
> Warning: DcGetDcName(GOOD_TIME_SERVER_PREFERRED) call failed,
>
> A Good Time Server could not be located.
> ......................... EX.RSX failed test FsmoCheck
>
>
> Help !!! Please
> (sorry for my english)
>
>
>


Your English is fine. :-)

Image based restorations are not supported by Microsoft for domain
controllers.

You may have an issue called a USN Rollback. However, to better assist,
please post an unedited "ipconfig /all" of both DCs, and post any error
EventID# and Source Name, that you see in the event log.

Also, Exchange should never be installed on a DC because of multiple
reasons. It is not recommended by Microsoft. Please read the following to
better explain.

============================================================ ======
Exchange on a DC and performance issues:

If Exchange is on a DC, no need telling you that if you search on it, you
will find numerous topics by many engineers (including Microsoft) stating
Exchange is not recommended to be installed on a domain controller.
Exchange's database transactional logging system is different than AD's.
Once a machine is promoted to a DC, it disabled the write-behind cache
function on the controller. Exchange needs this, however it's done to allow
AD's database system properly work. A huge drawback of this scenario is that
it can cause Exchange to lose emails during certain scenarios, as well as
with the write-behind cache disabled, it drastically reduces performance on
the machine.

Exchange by default, will also consume all memory resources, for example,
the store.exe process and will drag down the OS it is installed on. If the
OS is a DC, it will hinder DC processes, such as the DC's Lsas.exe process.
This *may* result in other issues, possibly with replication.

Read more on it:
This Exchange server is also a domain controller, which is not a recommended
configuration
http://technet.microsoft.com/en-us/library/aa997407.aspx
============================================================ ======



--
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

Please reply back to the newsgroup or forum for collaboration benefit among
responding engineers, and to help others benefit from your resolution.

Ace Fekay, MVP, MCT, MCITP EA, MCTS Windows 2008 & Exchange 2007, MCSE &
MCSA 2003/2000, MCSA Messaging 2003
Microsoft Certified Trainer
Microsoft MVP - Directory Services

If you feel this is an urgent issue and require immediate assistance, please
contact Microsoft PSS directly. Please check http://support.microsoft.com
for regional support phone numbers.
Re: AD REPLICATION [message #396379 is a reply to message #396262] Sun, 21 February 2010 02:55 Go to previous messageGo to next message
meiweb  is currently offline meiweb  Germany
Messages: 2225
Registered: September 2009
Senior Member
Hello Réda,

You are running into the USN rollback with using the unsupported way of backup
of a DC in the form of an image. Unfortunal you also installed Exchange on
a DC wich also isn't recommended.
http://support.microsoft.com/kb/875495

http://theessentialexchange.com/blogs/michael/archive/2007/1 1/13/exchange-server-2003-and-domain-controllers-a-summary.a spx

http://technet.microsoft.com/en-us/library/aa997407(EXCHG.80).aspx

As you already have a working DC one way in your case is to use the imaged
DC separated from the network and extract all mailboxes to .pst files with
Exmerge. Then run metadata cleanup on the working DC to remove the crashed
one complete from the domain.

Now install a fresh MEMBER server with Exchange 2003 in the domain and latest
SP/patches. Here import the .pst files to the mailboxes for your users. After
this install a second DC/DNS/GC for failover and redundancy reason.

Maybe it is possible to get it back into the domain, but therefore post all
event viewer errors according to replication you have and as Ace mentioned
the ipconfig /all from both DCs. Additonal post dcdiag /v from both DCs

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm


> Hello,
>
> I have 2 servers windows 2003. On one of them, Exhange 2003 is
> installed. The 2 servers are DC
>
> Exchange Serveur was destroyed and I restored an image (acronis) since
> 2
> days.
> Restore succefully with none problem.
> BUT in Exchange some users don't receive their emails, they remain in
> the
> queue.
> After many research, the probleme comes from AD replication.
>
> When i use REPADMIN /SHOWREPL i have : "The server destination
> reject currently replications requests" 2709 consecutives
> failures Last success @ 2010-02-13 19:49:11", the day and the time
> are
> exactly the same
> that the moment of the ghost !
> I search in the internet and like request i use NETDIAG (all is ok)
> but with DC DIAG i have a time problem :
>
> Running enterprise tests on : EX.RSX
> Starting test: Intersite
> ......................... EX.RSX passed test Intersite
> Starting test: FsmoCheck
> Warning: DcGetDcName(TIME_SERVER) call failed, error 1355
> A Time Server could not be located.
> The server holding the PDC role is down.
> Warning: DcGetDcName(GOOD_TIME_SERVER_PREFERRED) call failed,
> A Good Time Server could not be located.
> ......................... EX.RSX failed test FsmoCheck
> Help !!! Please
> (sorry for my english)
Re: AD REPLICATION [message #396596 is a reply to message #396379] Sun, 21 February 2010 11:27 Go to previous messageGo to next message
aceman  is currently offline aceman  United States
Messages: 5816
Registered: July 2009
Senior Member
"Meinolf Weber [MVP-DS]" <meiweb@(nospam)gmx.de> wrote in message
news:6cb2911ddbbd8cc80fb88964da4@msnews.microsoft.com...
> Hello Réda,
>
> You are running into the USN rollback with using the unsupported way of
> backup of a DC in the form of an image. Unfortunal you also installed
> Exchange on a DC wich also isn't recommended.
> http://support.microsoft.com/kb/875495
>
> http://theessentialexchange.com/blogs/michael/archive/2007/1 1/13/exchange-server-2003-and-domain-controllers-a-summary.a spx
>
> http://technet.microsoft.com/en-us/library/aa997407(EXCHG.80).aspx
>
> As you already have a working DC one way in your case is to use the imaged
> DC separated from the network and extract all mailboxes to .pst files with
> Exmerge. Then run metadata cleanup on the working DC to remove the crashed
> one complete from the domain.
>
> Now install a fresh MEMBER server with Exchange 2003 in the domain and
> latest SP/patches. Here import the .pst files to the mailboxes for your
> users. After this install a second DC/DNS/GC for failover and redundancy
> reason.
>
> Maybe it is possible to get it back into the domain, but therefore post
> all event viewer errors according to replication you have and as Ace
> mentioned the ipconfig /all from both DCs. Additonal post dcdiag /v from
> both DCs
>
> Best regards
>
> Meinolf Weber


Hi Meinolf,

Good link to TheEssentialExchange page on the Exchange/DC issue. Funny, as
for the Technet link, I thought the other Technet link was different, but
apparently it's the same as I posted. I wonder how Microsoft handles URLs if
when allowing different URLs, such as with the "(EXCHG.80)" portion added in
the link?

Ace
Re: AD REPLICATION [message #396624 is a reply to message #396596] Sun, 21 February 2010 12:01 Go to previous messageGo to next message
meiweb  is currently offline meiweb  Germany
Messages: 2225
Registered: September 2009
Senior Member
Hello Ace Fekay [MVP-DS, MCT],

Didn't realize that the link was the same as yours. I realized also that
sometimes on other links if there is the (...........) part added, they are
also working without that part. I have no idea why this is the case and for
what it is needed.

But i will ask one of our german responsible person belonging to TechNet,
maybe he knows what's the reason or knows anybody at Microsoft who can tell
us.

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm


> "Meinolf Weber [MVP-DS]" <meiweb@(nospam)gmx.de> wrote in message
> news:6cb2911ddbbd8cc80fb88964da4@msnews.microsoft.com...
>
>> Hello Réda,
>>
>> You are running into the USN rollback with using the unsupported way
>> of backup of a DC in the form of an image. Unfortunal you also
>> installed Exchange on a DC wich also isn't recommended.
>> http://support.microsoft.com/kb/875495
>>
>> http://theessentialexchange.com/blogs/michael/archive/2007/1 1/13/exch
>> ange-server-2003-and-domain-controllers-a-summary.aspx
>>
>> http://technet.microsoft.com/en-us/library/aa997407(EXCHG.80).aspx
>>
>> As you already have a working DC one way in your case is to use the
>> imaged DC separated from the network and extract all mailboxes to
>> .pst files with Exmerge. Then run metadata cleanup on the working DC
>> to remove the crashed one complete from the domain.
>>
>> Now install a fresh MEMBER server with Exchange 2003 in the domain
>> and latest SP/patches. Here import the .pst files to the mailboxes
>> for your users. After this install a second DC/DNS/GC for failover
>> and redundancy reason.
>>
>> Maybe it is possible to get it back into the domain, but therefore
>> post all event viewer errors according to replication you have and as
>> Ace mentioned the ipconfig /all from both DCs. Additonal post dcdiag
>> /v from both DCs
>>
>> Best regards
>>
>> Meinolf Weber
>>
> Hi Meinolf,
>
> Good link to TheEssentialExchange page on the Exchange/DC issue.
> Funny, as for the Technet link, I thought the other Technet link was
> different, but apparently it's the same as I posted. I wonder how
> Microsoft handles URLs if when allowing different URLs, such as with
> the "(EXCHG.80)" portion added in the link?
>
> Ace
>
Re: AD REPLICATION [message #396636 is a reply to message #396624] Sun, 21 February 2010 12:18 Go to previous messageGo to next message
aceman  is currently offline aceman  United States
Messages: 5816
Registered: July 2009
Senior Member
"Meinolf Weber [MVP-DS]" <meiweb@(nospam)gmx.de> wrote in message
news:6cb2911ddbe98cc8147d6120848@msnews.microsoft.com...
> Hello Ace Fekay [MVP-DS, MCT],
>
> Didn't realize that the link was the same as yours. I realized also that
> sometimes on other links if there is the (...........) part added, they
> are also working without that part. I have no idea why this is the case
> and for what it is needed.
>
> But i will ask one of our german responsible person belonging to TechNet,
> maybe he knows what's the reason or knows anybody at Microsoft who can
> tell us.
>
> Best regards
>
> Meinolf Weber


Please do! I am curious. :-)

Thanks!

Ace
Re: AD REPLICATION [message #398760 is a reply to message #396636] Wed, 24 February 2010 05:13 Go to previous messageGo to next message
meiweb  is currently offline meiweb  Germany
Messages: 2225
Registered: September 2009
Senior Member
Hello Ace Fekay [MVP-DS, MCT],

I got an answer about the question above from our german TechNet expert.
The part in the brackets only mention the productversion and can safely be
ignored/not used. Most of the links works as we also realized without the
content in the brackets.

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm


> "Meinolf Weber [MVP-DS]" <meiweb@(nospam)gmx.de> wrote in message
> news:6cb2911ddbe98cc8147d6120848@msnews.microsoft.com...
>
>> Hello Ace Fekay [MVP-DS, MCT],
>>
>> Didn't realize that the link was the same as yours. I realized also
>> that sometimes on other links if there is the (...........) part
>> added, they are also working without that part. I have no idea why
>> this is the case and for what it is needed.
>>
>> But i will ask one of our german responsible person belonging to
>> TechNet, maybe he knows what's the reason or knows anybody at
>> Microsoft who can tell us.
>>
>> Best regards
>>
>> Meinolf Weber
>>
> Please do! I am curious. :-)
>
> Thanks!
>
> Ace
>
Re: AD REPLICATION [message #398959 is a reply to message #398760] Wed, 24 February 2010 09:53 Go to previous messageGo to next message
aceman  is currently offline aceman  United States
Messages: 5816
Registered: July 2009
Senior Member
"Meinolf Weber [MVP-DS]" <meiweb@(nospam)gmx.de> wrote in message
news:6cb2911dde008cc836a557e7299@msnews.microsoft.com...
> Hello Ace Fekay [MVP-DS, MCT],
>
> I got an answer about the question above from our german TechNet expert.
> The part in the brackets only mention the productversion and can safely be
> ignored/not used. Most of the links works as we also realized without the
> content in the brackets.
>
> Best regards
>
> Meinolf Weber

Ok, thank you for finding that out. Interesting that Microsoft's site allows
that, but we can also safely remove and ignore that part of the URL. I will
be going through some of the URLs in my notes to clean it up a bit to remove
that portion.

Thanks again, Meinolf!

Ace
Re: AD REPLICATION [message #399045 is a reply to message #398959] Wed, 24 February 2010 11:31 Go to previous message
meiweb  is currently offline meiweb  Germany
Messages: 2225
Registered: September 2009
Senior Member
Hello Ace Fekay [MVP-DS, MCT],

You're always welcome. :-)

Best regards

Meinolf Weber
Disclaimer: This posting is provided "AS IS" with no warranties, and confers
no rights.
** Please do NOT email, only reply to Newsgroups
** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm


> "Meinolf Weber [MVP-DS]" <meiweb@(nospam)gmx.de> wrote in message
> news:6cb2911dde008cc836a557e7299@msnews.microsoft.com...
>
>> Hello Ace Fekay [MVP-DS, MCT],
>>
>> I got an answer about the question above from our german TechNet
>> expert. The part in the brackets only mention the productversion and
>> can safely be ignored/not used. Most of the links works as we also
>> realized without the content in the brackets.
>>
>> Best regards
>>
>> Meinolf Weber
>>
> Ok, thank you for finding that out. Interesting that Microsoft's site
> allows that, but we can also safely remove and ignore that part of the
> URL. I will be going through some of the URLs in my notes to clean it
> up a bit to remove that portion.
>
> Thanks again, Meinolf!
>
> Ace
>
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