How do I migrate a file share from SBS 2008 to a new Windows 2012 R2 Server?

Hello :)

I'm working on migrating from SBS 2008 to a Windows 2012 R2 server. I have a great migration plan with one exception: The organization has a shared folder that needs to be moved to the new server. This folder contains many other folders with different security settings for each one that are very important. What's the best way to do that?

My initial plan was to copy the files using Robocopy and then edit the group policy to point to the new location. However, this is a 24 hour facility and I'm worried that people will edit the files in these shares using the old share after the new share is in place but they have not rebooted yet to get the new share information from the GP. Is this a legitimate fear? How would you handle this situation?

Details in simpler terms:

The old server has a share at \\oldserver\companyfiles
New server has a new share setup at \\newserver\companyfiles
Files need to be copied to new share with same permission (share permissions are full control for everyone)

GP maps \\oldserver\companyfiles to x:
I need to change that to \\newserver\companyfiles

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Your best bet is to use DFS-R to handle the replication of the data.

Robocopy is also an option using the /copy:dato

The issue is somewhat complicated on the access, since this is an SBS server \\domain\companyfiles is equivalent to \\oldsbsserver\companyfiles.

Adding DFS/DFS-R roles if not enabled already would be needed.

The share reference transition will depend on how it is deployed to the user, manual mapping, or using GPO or GPPS.
Using GPO/GPP you could start pushing  the share as a domain based share and will be transparent to the users when the share us transitioned to a separate target server as needed in the future.
MrComputerITAuthor Commented:
Actually, a reference to DFS-R is what prompted my question. I'm not very familiar with it.

To be clear, this is NOT the typical SBS share. This is a completely separate share that they happened to call "companyfiles"  \\domain\companyfiles does not work to access that share. The only way to access it is \\oldserver\companyfiles.

Right now, GPO is used to map the drive.

Can you give me more details on how to setup DFS-R for replication?
Is the share on the SBS,or in a separate server?

If you do not have the DFS/DFS-R roles under the file share services installed on the server where the share is you need to add them as well as on the 2012 server.
Using the DFS-R you can setup a replication group with the server that has he data as the reference server. The. Adding the server to which the data will be replicated making sure the location on the 2012 server where you want the data.

You might consider testing setting up a replication group as a test new location server a with a new location on server B.

Robocopy can be used to pre-.......

Depending on how the data is accessed, you might want to configure the DFS name space distribution with primary/failover scheme.  DFS-R has builtin conflict detection I.e. Person A opens file A on server A as the DFS while user ?'s reference to the same share goes through server B. The lock files will not replicate as they are in use thus each user will think they have the sole access. When each completes their task, the first to close will run into an issue since the file ism nude on the other, the last one closing will overwrite the copy on the other. This situation will be recorded as a conflict and recorded in the event log.
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MrComputerITAuthor Commented:
The share is on the SBS machine on a separate data drive. DFS/DFS-R is not installed on either server currently.
Add the roles to both servers. Once you do under the file share and service, you will have a namespace and a replication section, the replication section is where you would create the replication group with the member servers that will have data in the specified folders on each replicated based the topology you pick.

 The setup is fairly straight forward, there are many step-by step with pictures, I suggest you try setting up using an empty folders at each location out of caution.  When you are comfortable with the process, use the sbs as the reference server for the data....
Then allow time for the replication to be detected and synchronized.  Replication group has reports you can run to see whether the data is in sync.

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MrComputerITAuthor Commented:
Thanks, Arnold!
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Windows Server 2012

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