how can i tell what data a mailbox was migrated

how can i tell what data a mailbox was migrated from on premise to 365?
i had a mailbox that had a forward setup and since lost it
so wondering if the forward box could get unticked if migrated
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dougdogAsked:
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A Q ChoudaryJunior Linux EngineerCommented:
so wondering if the forward box could get unticked if migrated

Yes absolutely right,you lost all previous rule while migrating box.
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dougdogAuthor Commented:
is it possible to find out the date that a mailbox was migrated on?
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A Q ChoudaryJunior Linux EngineerCommented:
Yes all the data will be as it is no change in data,but all rule and setting to client wil be changed andruturn to default.you need to set rule again ad forwarding rule and other rule if you set
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dougdogAuthor Commented:
is it possible to find out the date that a mailbox was migrated on?
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A Q ChoudaryJunior Linux EngineerCommented:
Yes it is possible
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dougdogAuthor Commented:
how can i find out?
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A Q ChoudaryJunior Linux EngineerCommented:
we are using open source (post-fix) and we use rsync to migrate from old server to new server
you can copy data
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dougdogAuthor Commented:
i just need to know the date that a mailbox was migrated from on premise to office 365
is there not a command or a attribute i can check that shows the date?
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dougdogAuthor Commented:
why is this being closed?
the question was how can i tell on exactly what date a mailbox was migrated from on prem to cloud
unless im missing something i still dont know
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A Q ChoudaryJunior Linux EngineerCommented:
Thanks
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Brian MurphyIT ArchitectCommented:
Yes, when migrated and by who.  Couple of ways.

Before starting a hybrid-migration, I recommend turning on advanced logging in Domain Security Policy.  This logs specific LDAP events to domain controllers.  You need a Syslog Server and client minimum to capture those events giving complete audit trail.

Next, this information is stored on the DIRSYC server, but it depends on how recent.  Using the metasearch option simply locate that users primary SMTP, for example.

Third, requires Global Admin and a few other rights in 365 portal and then you can easily pull audit logs from the cloud side.

Exchange is a schema update.  Any attribute you change in Exchange or ADSI Edit for example get logged to AD and to DIRSYNC.

Using the Online Compliance and Reporting tool you can pull a report on that mailbox.

The easiest way, IMO, is enable the logging as I stated and have a Syslog server from day one so you can hand anyone a report stating here is every attribute that changed, when it changed, who did the change.

Which one would you like to discuss further?
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