Not able to install mailbox server role in Exchange 2010

Mailbox server role installation failed in exchange 2010

This issue can come due to many different issue and you need to work on each issue one by one.

It could be due to a discovery search mailbox issue, or federated email account issue or issue or time difference issue or active directory schema issue.

I can come up with 4 issues and solution at this time and in future I may write more as well.

1) Time Synchronization issue: Make sure you have synched time on new server with your Active directory server. If you do not have this time synched than its not going to work on your server and you may find a failed mailbox server installation.

2) First thing after having this error you should do is prepare the active directory and schema again run these three command for this in given order

a. setup /prepareschema, setup /preparead, and setup /pad

b. Make sure you are running these command from exchange server installation folder using command prompt

c. Restart the system and try installing it

3) If above solution do not work try to recreate federated email account.

4) Federated email account not working properly :If you are not able to install exchange server mailbox server role than try removing and creating federated email account once procedure for that is as bellow

a. Remove the FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042 e-mail account by using the ADSIEDIT tool. To do this, follow these steps:

b. Click Start, click Run, type adsiedit.msc, and then click OK.

c. Locate the Default Naming Context node, and then locate to the CN=Users container.

d. Locate and then right-click the CN=FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042 container. Then, click Delete.

e. Rerun the Exchange Server 2010 Mailbox role setup application.

f. Create a new federated e-mail account by using the following command:

g. New-Mailbox -Arbitration -Name FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042 -UserPrincipalName FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042@<Default_Accepted_Domain>

h. Now restart your server and try to install the server role

5) If above solution also do not work then try recreating Discovery Search mailbox. Ideally Discovery search mailbox should get created after running prepareAD and prepareschema command. You can use this link for recreating Discovery Search Mailbox. or remove the discovery search mailbox from exchange managment console and restart the server now follow step 2 given above and try to install the mailbox server role. It should get installed.

Please understand whatever changes I am suggesting I am suggesting that on my own experience and it could be anything in your environment so I would request you to check these changes first in your similar test environment. Another thing that I will say please use these tricks after taking a complete backup.

Thanks for being here

AP Dubey

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