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Exchange 2010 install Failure "an Item with the same key has already been added"

Posted on 2014-01-28
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Last Modified: 2014-02-14
I am trying to add an exchange 2010 server, I am only  adding the mailbox role, it is in the same site, as the rest of my exchange environment, it does contain a GC. EXPDA runs with no errors.
 
When it gets to installing the mailbox role, it ends up failing with "An item with the same key has already been added"

I am attaching the setup.log, and a text file containing the exact error.
 
Any advice would be appreciated,
 
Thanks,
error.txt
ExchangeSetup.log
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Question by:sattermc
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LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39816609
Have you had a server with the same name in your domain before?

Try changing the name of the server to something else and then reinstall.

Jeff
TechSoEasy
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LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39816613
FYI, if that doesn't work, run the pre-deployment analyzer and it should tell you where the problem is:
http://www.microsoft.com/en-us/download/details.aspx?id=11636

Jeff
TechSoEasy
0
 

Author Comment

by:sattermc
ID: 39817828
Thank you for the reply.

I did rename the server to an original name after uninstalling Exchange, And the same thing still happened.

I will re-run the pre deployment analyzer, and respond.
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Author Comment

by:sattermc
ID: 39818288
I ran it, no errors, everything came back clean.
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LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39820064
Just to verify, you said there is a GC in your environment... is DC1 that GC? or is it another DC?

Jeff
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Author Comment

by:sattermc
ID: 39820778
Yes, that server is a GC.

I completely rebuilt the server from scratch yesterday. Gave it a new name, and still have that issue.

same error.

MY AD is very clean, no issues.
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LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39823201
Ok, since you've had some unsuccessful installs, please check your existing Exchange Server for references to those in the registry on this key:
HKLM\Software\Exchange and HKLM\Software\Exchange Server keys

Reference: http://windowsitpro.com/exchange-server/how-uninstall-stubborn-exchange-server

Also, before starting the install, be sure the NGEN service is running and not disabled (on your new server).

Jeff
TechSoEasy
0
 

Author Comment

by:sattermc
ID: 39826323
there were four NGEN services, two were disabled by default. I enabled them and set them to automatic,

No change,

I could not find references to this server, in the registry of my other exchange servers.
I found no references in the registry of the server i was installing on.
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Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39834166
Then please post an updated install log.

Thanks.

Jeff
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Author Comment

by:sattermc
ID: 39834174
I am attaching the exchangesetup.log from the last install.
ExchangeSetup.log
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Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39834559
How many other Exchange Servers do you have?  Is there a DAG which you are trying to add an additional mailbox server to?

Jeff
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Author Comment

by:sattermc
ID: 39835755
There is no DAG, yet, I was hoping at some point this new server would be used for that.

Right now there are three Exchange servers, in addition to the one I am trying to add, Names are as follows:

mf-xch1   -mailbox role only
mf-xch2   -cas, hub transport
mf-xch3   -cas, hub transport

The one I am trying to add was called

mf-xchdb1 -mailbox role only

I actually see it in the Exchange management console, but am unable to do anything with it, such as create a new mailbox DB.
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LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39836496
Well, that's a completely different issue than not being able to install the server at all.

After installing it, because you have multiple DC's you need to be sure that AD replication has occurred.  Because when you attempt to create a new DB, the new server may try to authenticate the other DC which doesn't know it exists yet.

Jeff
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Author Comment

by:sattermc
ID: 39836876
The install does essentially fail. It literally said unsuccessfull.

If i look in the EMC, under server configuration I do see the server. But if i try to add a mailbox database to it, i recieve the following: Microsoft Exchange Critical Error 0x716a2b43.

the addtional information is as follows:

 at Microsoft.Exchange.Configuration.MonadDataProvider.MonadPipelineProxy.ClosePipeline(MonadAsyncResult asyncResult)
   at Microsoft.Exchange.Configuration.MonadDataProvider.MonadPipelineProxy.InternalEndInvoke(IAsyncResult results)
   at Microsoft.PowerShell.HostingTools.PipelineProxyBase.EndInvoke(IAsyncResult results)
   at Microsoft.Exchange.Configuration.MonadDataProvider.MonadCommand.EndExecute(MonadAsyncResult asyncResult)
   at Microsoft.Exchange.Configuration.MonadDataProvider.MonadCommand.Execute(WorkUnit[] workUnits)
   at Microsoft.Exchange.Management.SystemManager.WinForms.SingleTaskDataHandler.OnSaveData()
   at Microsoft.Exchange.Management.SystemManager.WinForms.SingleTaskDataHandler.OnSaveData(CommandInteractionHandler interactionHandler)
   at Microsoft.Exchange.Management.SystemManager.WinForms.DataHandler.Save(CommandInteractionHandler interactionHandler)
   at Microsoft.Exchange.Management.SystemManager.WinForms.DataHandler.OnSaveData(CommandInteractionHandler interactionHandler)
   at Microsoft.Exchange.Management.SystemManager.WinForms.
0
 
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Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39838081
At this point, I would HIGHLY suggest that you open a support case with Microsoft.  Generally they do not charge for installation issues -- at least it doesn't hurt if you ask them for a free support call.

Jeff
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Author Comment

by:sattermc
ID: 39842277
I will be opening a case with MS. I will post the solution, once I know what it is.
0
 

Author Comment

by:sattermc
ID: 39851361
So, Apparently when the first 3 servers in this organization were installed (by my predecessor) there was a bunch of replication errors at the time.

I was on the phone with Microsoft for hours, they did get it working by cleaning up some legacy objects created by the replication errors.

I think bottom line is if you have this issue, call MS. :/
0
 

Author Comment

by:sattermc
ID: 39851953
I've requested that this question be closed as follows:

Accepted answer: 0 points for sattermc's comment #a39851361

for the following reason:

Ended up calling MS.
0
 
LVL 74

Accepted Solution

by:
Jeffrey Kane - TechSoEasy earned 500 total points
ID: 39851954
So, why are you accepting your own comment when I recommended that you do exactly what you did in http:Q_28350144.html#a39838081
0
 

Author Comment

by:sattermc
ID: 39853134
I've requested that this question be closed as follows:

Ended up calling Microsoft.

They stated, that during the initial install of the first three original exchange servers by my predecessor, there must have been replication problems which caused duplicate exchange objects in AD, which prevented the installation of further mailbox servers.
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LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39853234
Really?  A C Grade!?!?

You had a problem and asked for advice -- I gave you the absolute best advice possible which ended up resolving your problem.  A C grade is really unwarranted here.
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Author Comment

by:sattermc
ID: 39853511
It was not a reflection on your advice, I was grading the overall solution, which was to make a $259.00 call MS.

If anything it is a reflection on general vagueness of MS error logs, as they didn't really point to a solution at all, that either one of us could find.

You are taking this personal, and you shouldn't be, as i appreciate all help I've ever received from anyone anywhere,

If you wish to file a complaint with the site, I will gladly give it whatever grade you feel is warranted. it does not appear i can alter it at this point.
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LVL 74

Expert Comment

by:Jeffrey Kane - TechSoEasy
ID: 39857254
Thanks mo.

@sattermc:  "You are taking this personal, and you shouldn't be"  -- actually the grading system is VERY personal.  You are giving ME a grade on how I handled the problem.

I fully understand your frustration with not being able to identify the exact problem, but since all network environments are unique unto themselves (ie, yours had legacy issues from a former administrator), it is often the BEST option to get the Microsoft Support Team involved.  You've been struggling with this issue for over a week without resolution -- while you were on the phone with them for "hours" -- if they had not assisted you may have spent many more hours trying to fix it -- wasting much more than $259.00 worth of your own time.

Jeff
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Author Comment

by:sattermc
ID: 39857446
Whatever you guys think is best..
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