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How do I migrate from a site to a collection?

I have a site within a collection that I want to migrate to SharePoint Online but not to be within a collection but to become a collection itself.

cnagrampa over 6 years ago

Hi Bruce,

Please make sure that you are using an Office 365 Tenant connection when promoting a site into a site collection. For additional information, please refer to the link below:

Migrating as a Site Collection
www.metalogix.com/.../index.html

Regards,
Cyrus
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blhankins over 6 years ago

It would seem all was well until I get the following failure. Exception: An error occurred during the operation of a service method: Access denied. You do not have permission to perform this action or access this resource. I entered the same person I enter when creating new empty collections. Bruce
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blhankins over 6 years ago

Okay, now it appears there wasn’t authority to delete the existing collection from a past run that ended up empty. Now I get the following which tells me nothing. Exception: An error occurred during the operation of a service method: The remote server returned an error: (429). Bruce
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cnagrampa over 6 years ago

Hi Bruce,

The error message occurs due to CSOM throttling caused by a large number of concurrent requests. As a workaround, you may create additional migration accounts on the target or refer to the link below for other recommendations:

The remote server returned an error: (429) Too Many Requests (CSOM C#
social.msdn.microsoft.com/.../the-remote-server-returned-an-error-429-too-many-requests-csom-c

Regards,
Cyrus
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blhankins over 6 years ago

I am still getting Unauthorized. Exception: An error occurred during the operation of a service method: The remote server returned an error: (401) Unauthorized. There is some issue with creating a site collection. I can create a site through SharePoint admin center but not through Content Matrix. [cid:image003.png@01D39461.07DA1E30] Bruce
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cnagrampa over 6 years ago

Hi Bruce,

Unfortunately, I cannot view the inline image. Can you please attach it as a file, instead?

Regards,
Cyrus
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blhankins over 6 years ago

Attached is screen shot. Note that with all my tests for troubleshooting and running different scenarios the site collections do end up being created. But data doesn’t migrate to them. Bruce
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