Struggle of finding regarding the meaningful info
Hi Oliviarwilkes,
The possible cause of your issue is the missing homeMDB attribute on the Microsoft Exchange System Attendant mailbox. Follow these steps to resolve the error message:
1. Find out the Exchange database distinguished name:
a. Click START > Search for Adsiedit.msc using the Search programs and files box.
b. Click Connect to in the Action menu.
c. Click Configuration in the Select a well-known naming Context box -> Click OK.
d. Expand the following information:
– Configuration (The_Domain_Controller_Name.The_Name_Of_The_Domain.com)
– CN=Configuration,DC=domain,DC=com
– CN=Services
– CN=Microsoft Exchange
– CN=organization_name
– CN=Administrative Groups
– CN=Exchange AdministrativeGroups (id)
– CN=Databases
e. Go to the details pane -> Right-click CN = database_name entry with a Class value of msExchPrivateMDB -> Click Properties.
Reminder: Choose the mailbox database that has an active copy in your server if there are multiple database_name entries.
f. Click distinguishedName in the Attribute Editor tab -> Click View.
g. Copy the path indicated in the Value box -> Click Cancel twice.
h. Close Active Directory Interfaces (ADSI) Edit tool.
2. The following steps will set the homeMDB attribute:
a. Click START -> Search for Adsiedit.msc using the Search programs and files box.
b. Click Connect to in the Action menu.
c. Click Configuration in the Select a well-known naming Context box -> Click OK.
d. Expand the following information:
– Configuration (The_Domain_Controller_Name.The_Name_Of_The_Domain.com)
– CN=Configuration,DC=domain,DC=com
– CN=Services
– CN=Microsoft Exchange
– CN=organization_name
– CN=Administrative Groups
– CN=Exchange AdministrativeGroups (id)
– CN=Servers
– CN=mailbox_server_name
e. Go to the details pane -> Right-click CN = Microsoft System Attendant -> Click Properties.
f. Click homeMDB in the Attribute Editor tab -> Click Edit.
g. In the Value box type or paste the distinguishedName value -> Click OK.
Reminder: The distinguishedName value is similar to the following:
CN=Mailbox Database,CN=storage_group_name,CN=InformationStore,CN=mailbox_server_name,
CN=Servers,CN=Exchange Administrative Group (id),CN=AdministrativeGroups,
CN=organization_name,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=domain,DC=com
h. Close Active Directory Interfaces (ADSI) Edit tool.
3. Restart Exchange Information Store service -> Restart Exchange System Attendant service.
4. Run Import-Mailbox cmdlet.
I hope this helps.
