Export and Import limitations:
Major drawback: The export/import does not preserve workflows instances, associations,
history and tasks. Every workflow association must be recreated and there is no
way to restore the running instances from original site.
If publishing feature is enabled in source site and same should be
applicable for targeted site also.
How can we do the export/import of
site, list and libraries along with versioning?
Use the [-IncludeVersions]
option to instruct PowerShell to include version information of items in the
export file.
Example:
Export the sites, lists and
libraries?
To export/import a specific list or library, provide the full URL
to the list or library, otherwise PowerShell will import/export the site if the
URL is to the main site location.
Include the [-IncludeVersions]
option to instruct PowerShell to include version information of items in the
export file.
Include the [-NoFileCompression] option to turn off file
compression; this makes for a faster export but larger files on disk.
Include the -haltonfatalerror or -haltonwarning options to stop
the import\export process in the event of an error or warning.
In SharePoint 2007, administrators could export and import sites
only, using STSADM
Export and Import use in
sharepoint?
Backup-SPSite is generally used when you want to
replicate the entire site collection (including all subsites) to an existing
web application.
Export-SPWeb is generally used when you want to
replicate just a single subsite to an existing site collection.
From SP2010 onwards, you can export a site, lists and
library through either central adminitrator or poweshell but we can only way to
do import is through powershell.
Limitations:
Workflows are not included when we export/import contents of
sites, libraries, or lists means Export-SPWeb does not export the running
workflows.
Export-SPWeb:
Paramaters: NoFileCompression,
Note: The
NoFileCompression parameter lets you specify that no file compression is
performed during the export process. Using this parameter can lower resource
usage up to 30% during the export process. Using this parameter will result in
a backup folder being created instead of a compressed file. If you use the
NoFileCompression parameter in the Export-SPWeb command, you must also use it
when you import the content by using the Import-SPWeb command.
includeusersecurity : Do not forget to use includeusersecurity parameter
in both export and import if you wish to preserve information relative to
permissions and other properties such as documents authors.
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