If source domain is always going to exist after migration .I would recommend to create Federation Trust which is free of service from Microsoft to share free busy information. Leading and trailing whitespace in a parameter value is discarded.Internal whitespace within a parameter value is retained verbatim.Ps1 -Identity "Email Address" -Remote Forest Domain Controller "FQDN of Source DC" -Remote Forest Credential $Remote Credentials -Local Forest Domain Controller "FQDN of Target Forest DC" -Local Forest Credential $Local Credentials -Target Mail User OU "Distinguished name of OU in Target Forest" –Use Local Object -Verbose Using –Verbose in the end of the Command You can clearly see what are the Attributes its getting touched Mail, Display name, Proxy address etc..Now you can See a Disabled account which has been Created on the Specified OU Step 10: Now use ADMT to migrate the SID and Enable the Target Account which is “Mailbox1” in my Scenario See- How to Migrate Users Across forest (Cross Forest) using ADMT 3.2 with sid and Passwords Now you can find the SID history of the account , Where you can confirm that you did things correctly Now your AD account will get Enabled Step 11: Now your Account with SID and password as been moved, But still your Content of the mailbox hasn’t moved yet.
This is a fast and simple way to give a large number of clients access to their home directories with a minimum of fuss.
If you are using a Self Signed Certificate –Where Exchange servers won’t authenticate between each other Because they won’t trust each of them You got to Export the Cert from Source Exchange Server and import it on Target Exchange Server Vice versa See – How to Export a Self signed Server Certificate and Import it on a another Server in Windows server 2008 R2 Step 6: Check List Before starting, There are many methods to Move mailboxes across forest . let us call this method as “Running .\Prepare Move Request.ps1 first and then using ADMT to migrate the Sid History” We will move one mailbox to get a Clear idea , Then we can go for Bulk Migration of mailboxes. Am Running this on the Target Forest – $local Credentials Means the Target Forest Credentials Source Forest – care Target Forest – Target Please don’t forget to Type the Domain Name\User Name (Note: If it fails with Error – Authentication Failed – Try Entering Domain.
Com\Username ,or .local refers to your local domain) Means my Source Forest Note : After Storing your Credentials – Do not Close Shell – You got to run the Future Command in the Same Power Shell Session Step 9: Now Preparing a Move Request Browse your Exchange Management Shell into Scripts Folder in your Target Forest , Which will be in Exchange installation Location .\Prepare-Move Request.
The access rights granted by the server are masked by the access rights granted to the specified or guest UNIX user by the host system.
The server does not grant more access than the host system grants.