Exchange Event Log

Hi,

Getting this on Exchange 2010 event log, trying to find out how i can resolve.

Windows User NT AUTHORITY\SYSTEM logged on to xxxemail@domain mailbox and is not the primary windows account on this mailbox.
ComexITAsked:
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pcmghouseCommented:
you can verify if the user has permissions on the mailbox.
get-mailboxpermission userid -user suspecteduser
get-mailbox userid | fl grantsendonbehalfto
get-adpermission userid -user suspecteduser
get-mailboxfolderpermission userid:\
get-mailboxfolderpermission userid:\calendar
get-mailboxfolderpermission userid:\inbox
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pcmghouseCommented:
mostly a backup software is connecting to the mailbox for backup as the user is nt authority\system
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David Paris VicenteSystems and Comunications  Administrator Commented:
Hi,

It seems you have enabled the mailbox auditing and is informing who is accessing to a particular mailbox.

To know more about mailbox auditing and to enabled or disabled please check this link

Cheers
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