In the SP Archive Report on the EV server the following error is generated:
A SP target in EV has the same subsite ID as the new site attempting to archive data. The subsite ID corresponds with the SharePointSiteId column of the SharePointTLSTarget table in the EnterpriseVaultDirectory database. For each SP target in EV there is a entry in this table with a unique SharePointSiteId, which is pulled automatically from SP each time the task runs.
The error can occur if a site is copied or backed up and then used to create a new site in SP. SP permits duplicate site and subsite ID's so this does not cause an issue in the content database but will fail when attempting to archive in EV because we require it to be unique.
Change the subsite ID in the SP content database for the
Run the following command in the SP Management Shell to identify the ID that needs to be changed (Get-SPWeb):
Get-SPWeb -site
Run the following query to confirm the value that EV is pulling from SP that correlates with the SPWeb value:
USE EnterpriseVaultDirectory
SELECT TLSPathURL,SharePointSiteId FROM SharePointTLSTarget