| When using collections with On Demand Migration for SharePoint, if a site is added to a collection after running a Discover SharePoint Contents task for the site, the child objects will not be added to the collection. Re-run the Discover SharePoint Contents task for the site to add the child objects to the collection. |  | 
| When using collections with On Demand Migration for SharePoint, if a SharePoint object is added to a collection without its parent or child elements, the SHOW PARENT and SHOW CONTENTS buttons may be active but will link to a blank a filtered list because the child or parent is not included in the collection. |  | 
| When using collections with On Demand Migration for SharePoint, note that the Remove from Collection and Remove Collection functions are not yet available. |  | 
| Files and List Items cannot be migrated if same entities exist in target recycle bin. | 163227,179261 | 
| The following events may be reported while migrating some folders from Document Libraries connected to Microsoft Teams: A file or folder with the name ... already exists... and Failed to lookup file info of object... The migration proceeds as expected. | 173081 | 
| After migration the system account is specified as an author of migrated folder instead of the source folder author. | 171641 | 
| Web address of this view in List View settings cannot be updated due to SharePoint limitations. | 169946 | 
| Migrated discussion board replies are not tagged as "Best reply" on target. | 157005 | 
| Custom content type assigned to documents is not migrated. All documents will have the default content type on target. | 161588 | 
| Discussion List created by the site Community feature is renamed to Community Discussion in Team site (STS#3 template.) | 168288 | 
| Files and list items are not migrated to subsites with the following characters in the URL: <, >, &, ", ' | 169663 | 
| Site collection status is not updated if the migration task includes more than one site collection. | 161760 | 
| The search field shows a limited number of characters. Only the first 22 characters are visible for the long search queries. | 164683 | 
| Hub settings for sites located in non-central regions of a multi-geo tenant cannot be migrated. The hub and spoke relationship for sites in non-central regions must be built manually after the site migrations are complete. | 324054 | 
| Out-of-the box list items get duplicated when migrating for the first time | 413379 | 
| Conflict resolution rules will not be applied to Site Pages and Site Assets system libraries | 424578 | 
| Sharing links used in web part and navigation links are not migrated. | 531534 | 
| The "Current" template shown in the Change the Look settings of the target will be the default Office template instead of the actual current template used on the target site. | 531534 | 
| Microsoft has suggested a 2 GB size limit for OneNote documents. Although it is not enforced, OneNote documents above the 2 GB limit cause the migration to fail. See Restrictions and limitations in OneDrive and SharePoint - Microsoft Support. | 541474 | 
| Static watermarks cannot be updated or removed when a sensitivity label is changed or removed. | 557495 | 
| Incremental migration will not include items if only sensitivity labels are added or updated. | 557496 | 
| If a user migrates items without sensitivity labels and then wants to migrate with the labels, a full migration must be performed. | 557497 | 
| External File Mapping and Migration for encrypting sensitivity label is not supported. | 557498 | 
| Sensitivity label that only applies to emails, is applied on target migrated file when incompatible mapping is set. | 557499 | 
| AIP does not provide a method to process sensitivity labels of password protected files, therefore email/calendar attachments and OneDrive/SharePoint files that are password protected are migrated as-is, preserving their source sensitivity labels. | 568017 | 
| External file with non-encrypted sensitivity labels is migrated to the target tenant and preserved. | 557500 | 
| When migrating a file with a time-based sensitivity label, the label's expiration settings will be reset in the target, making the previously expired source file accessible in the target again. | 557502 | 
| Microsoft supports the following file types for sensitivity labels: .xls, .xlt, .xla, .xlam, .xlm, .ppa, .ppam as mentioned in the article: https://learn.microsoft.com/en-us/purview/sensitivity-labels-sharepoint-onedrive-files. These file types are not supported in ODM. | 557503 |