Mailbox stay in disconnected after move mailbox process

Solution

Exchange 2010

Organization Configuration->Mailbox->RightClick to old database->;Properties
Limits Tab-;Set Keep Deleted Mailboxes to Zero (0)
and then on EMS execute the command below;
Clean-MailboxDatabase "Old Database Name"
In order to learn Database name;
Get-mailboxdatabase

Exchange 2007
Server Configuration->Mailbox->RightClick to old database->Properties
Limits Tab->Set Keep Deleted Mailboxes to Zero (0)
and then on EMS execute the command below;
Clean-MailboxDatabase "Old Database Name"
In order to learn Database name;
Get-mailboxdatabase

Exchange 2003
http://support.microsoft.com/kb/940012
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The ReportServerVirtualDirectory element is missing.

Open RSWebApplication.config file ,

Check if the below lines are same,

(Add ReportServer)

Restart IIS

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The session setup from the computer %computername% failed to authenticate.

The cause of this error is the expired computer accound password. By Default computer accounts change password automaticly in every 30 days. If, replication between computer and dc's are not successfull after password changes DC will remove computer account from domain.

You can disable this behaviour from group policy settings,

Setting is under Computer Configuration -> Windows Settings -> Security Settings -> Local Policies/Security Options -> Domain Member: Domain Member: Disable machine account password changesYou should enable this settings.
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Exchange 2007 Mailbox Sizes

Execute the command on EMS.

Get-MailboxStatistics | Sort-Object TotalItemSize –Descending | ft DisplayName,@{ expression={$_.TotalItemSize.Value.ToKB()}},ItemCount

You can use toMB or toGB
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Event ID 1025 0xc0041800

If you are getting this error on Exchange Server 2007, you should rebuild the indexing catalog.

Content Indexing received an unusual and unexpect error code from MSSearch
Error: 0xc0041800

Execute the command below on Exchange Management Shell

ResetSearchIndex.ps1 [-force] -all

Follow the results from event viewer, you should get Event ID: 110 after successfull process.
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GFI EndPoint Security Installation Error (Process Roll Back)

--> If you can not install GFI Endpoint Security 4.x , process is rolling back and service can not start;
Apply the steps in link

http://kbase.gfi.com/showarticle.asp?id=KBID003806
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Drive is not accesible Access is denied

If you are using Symantec Endpoint Encryption and user not registered yet, you will get "Drive:\(Letter) is not accessible Access is denied" message while trying to access removable storage device.
Register user and try again
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