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Mailbox database Scan, Database Scan could not start, Authorisation fails (401)

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I am use Mail Security for Exchange V10..
i would like us the option mailbox database test
I have config the mailboxes to scan and the credentials in mode impersonation
Start the Test. immediate a mistake with a log entry

Mailbox database Scan, Database Scan could not start, Authorisation fails (401)

Whats the problem ?

also have a problem in the email quarantaine 

best regards Frank

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Please refer to https://help.eset.com/emsx/10.0/en-US/idh_config_mailserver_ondemand.html and https://help.eset.com/emsx/10.0/en-US/idh_xmon_ondemand_pwd.html:

If a user account does not have appropriate access to Exchange Web Services (EWS), you can select Create ApplicationImpersonation role assignment to assign this role to the user account. Alternatively, you can assign the ApplicationImpersonation role manually.



Scan accounts must have the ApplicationImpersonation role assigned to enable the scan engine to scan user mailboxes within the Exchange mailbox database(s).


Should the problem persist, please raise a support ticket.

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