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Title
How to split Public Folder migration between two Exchange servers -
Description
To improve public folder migration performance it can be split between two Exchange servers.
When Folder1 has Folder 1A, 1B as sub-folders and public folders sync job is configured to synchronize Folder1 and all hierarchy below to Exch1 server.
You may decide to move 1B and all sub-folders on another Exchange server Exch2.
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Cause
Only one agent can handle Sync Job between two servers, therefore to improve sync performance you might decide to synchronize part of PF hierarchy into another server.
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Resolution
1)Exclude Folder 1B from the original sync job
2) Move Foler 1B with all sub-folders to Exch2 using PublicFolderMoveRequest cmdlet (https://technet.microsoft.com/en-us/library/jj906435(v=exchg.150).aspx)
3)Create new PF synchronization job and set Folder 1B on source Exchange as a source folder and migrated on step 2) Folder 1B on Exch2 as a target.4) PUB files that has been migrated as a part of original job and belongs to Folder 1B will be processed as normal and shouldn't be moved or deleted.
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Additional Information
This solution works only when Folder 1B has been created with Migration Manager and has correct ID in order to match with source folder. No re-sync required.