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Exchange 2016 CU5 HealthMailboxes growing and Your mailbox is almost full.

Hello, I upgraded the Exchange 2016 from release RTM to CU5 , now i'm getting a strange error message maybe it was before not sure , but i noticed this error today ,

HealthMailbox2449ba0a3b164df5a31d466377e4e24d@domain.net
Your mailbox is almost full.
1967 MB --> 2048

I RUN the below command and i'm getting the below result

[PS] C:\Windows\system32>Get-Mailbox -Monitoring

Name Alias ServerName ProhibitSendQuota
---- ----- ---------- -----------------
HealthMailbox13b3e1234... HealthMailbox13b3... exmdb01 Unlimited
HealthMailbox4337d75a2... HealthMailbox4337... exmdb01 Unlimited
HealthMailbox5fbd82113... HealthMailbox5fbd... exmdb01 Unlimited
HealthMailboxa69f0c044... HealthMailboxa69f... exmdb01 Unlimited
HealthMailbox6db483552... HealthMailbox6db4... exmdb01 Unlimited
HealthMailbox230478877... HealthMailbox2304... exmdb01 Unlimited
HealthMailboxcfd81584e... HealthMailboxcfd8... exmdb01 Unlimited
HealthMailbox55016927e... HealthMailbox5501... exmdb01 Unlimited
HealthMailbox84a59761c... HealthMailbox84a5... exmdb01 Unlimited
HealthMailboxd136bbcb7... HealthMailboxd136... exmdb01 Unlimited
HealthMailbox2ea89462d... HealthMailbox2ea8... exmdb01 Unlimited
HealthMailbox2449ba0a3... HealthMailbox2449... exmdb02 Unlimited
HealthMailboxe04f59ab2... HealthMailboxe04f... exmdb01 Unlimited
HealthMailbox056dfe978... HealthMailbox056d... exmdb02 Unlimited
HealthMailbox9f47ea273... HealthMailbox9f47... exmdb01 Unlimited
HealthMailbox0f2352894... HealthMailbox0f23... exmdb02 Unlimited
HealthMailboxd61987be1... HealthMailboxd619... exmdb01 Unlimited
HealthMailbox3cc28fb68... HealthMailbox3cc2... exmdb02 Unlimited
HealthMailbox04b89e959... HealthMailbox04b8... exmdb01 Unlimited
HealthMailbox770b48c77... HealthMailbox770b... exmdb02 Unlimited
HealthMailbox00c1fb03a... HealthMailbox00c1... exmdb01 Unlimited
HealthMailbox108878533... HealthMailbox1088... exmdb02 Unlimited
HealthMailboxf26f0684e... HealthMailboxf26f... exmdb01 Unlimited
HealthMailboxc23083044... HealthMailboxc230... exmdb01 Unlimited
HealthMailbox815056530... HealthMailbox8150... exmdb02 Unlimited
HealthMailboxf2d1b4ea2... HealthMailboxf2d1... exmdb02 Unlimited
HealthMailboxc69e8c903... HealthMailboxc69e... exmdb02 Unlimited
HealthMailbox5fb4de7f0... HealthMailbox5fb4... exmdb02 Unlimited
HealthMailboxfde843cec... HealthMailboxfde8... exmdb02 Unlimited
HealthMailboxb2d536cd4... HealthMailboxb2d5... exmdb01 Unlimited
HealthMailbox6f2c4bf03... HealthMailbox6f2c... exmdb01 Unlimited
HealthMailbox4229b5ea1... HealthMailbox4229... exmdb02 Unlimited
HealthMailbox7bfc2bf1c... HealthMailbox7bfc... exmdb01 Unlimited
HealthMailboxcaa91155a... HealthMailboxcaa9... exmdb02 Unlimited
HealthMailbox6a19c2fe4... HealthMailbox6a19... exmdb02 Unlimited
HealthMailbox51dff116d... HealthMailbox51df... exmdb02 Unlimited
HealthMailbox1816d2839... HealthMailbox1816... exmdb02 Unlimited
HealthMailbox4e91a9c5f... HealthMailbox4e91... exmdb01 Unlimited
HealthMailboxc1b8a995d... HealthMailboxc1b8... exmdb01 Unlimited
HealthMailboxfa6391a1a... HealthMailboxfa63... exmdb01 Unlimited
HealthMailboxc8ae4d788... HealthMailboxc8ae... exmdb01 Unlimited
WARNING: The object domain.net/Microsoft Exchange System Objects/Monitoring
Mailboxes/HealthMailboxc8ae4d788f6e4b94a62ba0f813877ae9 has been corrupted or isn't compatible with Microsoft support
requirements, and it's in an inconsistent state. The following validation errors happened:
WARNING: Database is mandatory on UserMailbox.
WARNING: Database is mandatory on UserMailbox.
HealthMailbox9f75a3b55... HealthMailbox9f75... exmdb01 Unlimited
WARNING: The object domain.net/Microsoft Exchange System Objects/Monitoring
Mailboxes/HealthMailbox9f75a3b5502448cb992a5adbc7a1ba62 has been corrupted or isn't compatible with Microsoft support
requirements, and it's in an inconsistent state. The following validation errors happened:
WARNING: Database is mandatory on UserMailbox.
WARNING: Database is mandatory on UserMailbox.
HealthMailbox1de1f7219... HealthMailbox1de1... exmdb01 Unlimited
WARNING: The object domain.net/Microsoft Exchange System Objects/Monitoring
Mailboxes/HealthMailbox1de1f72191c443ed94b9da5a364ab790 has been corrupted or isn't compatible with Microsoft support
requirements, and it's in an inconsistent state. The following validation errors happened:
WARNING: Database is mandatory on UserMailbox.
WARNING: Database is mandatory on UserMailbox.
HealthMailboxccb456253... HealthMailboxccb4... exmdb01 Unlimited
WARNING: The object domain.net/Microsoft Exchange System Objects/Monitoring
Mailboxes/HealthMailboxccb45625301b4cccae1e6dc70f7eda23 has been corrupted or isn't compatible with Microsoft support
requirements, and it's in an inconsistent state. The following validation errors happened:
WARNING: Database is mandatory on UserMailbox.
WARNING: Database is mandatory on UserMailbox.
HealthMailboxa714071c8... HealthMailboxa714... exmdb01 Unlimited
WARNING: The object domain.net/Microsoft Exchange System Objects/Monitoring
Mailboxes/HealthMailboxa714071c877244e2a4d95a3c028ce277 has been corrupted or isn't compatible with Microsoft support
requirements, and it's in an inconsistent state. The following validation errors happened:
WARNING: Database is mandatory on UserMailbox.
WARNING: Database is mandatory on UserMailbox.
HealthMailbox4521bacbf... HealthMailbox4521... exmdb02 Unlimited
WARNING: The object domain.net/Microsoft Exchange System Objects/Monitoring
Mailboxes/HealthMailbox4521bacbf1c844fba9a7a73bd1cf43f2 has been corrupted or isn't compatible with Microsoft support
requirements, and it's in an inconsistent state. The following validation errors happened:
WARNING: Database is mandatory on UserMailbox.
WARNING: Database is mandatory on UserMailbox.
HealthMailbox6d085738c... HealthMailbox6d08... exmdb02 Unlimited
HealthMailboxc5ff47672... HealthMailboxc5ff... exmdb02 Unlimited
HealthMailboxe464cf3ca... HealthMailboxe464... exmdb01 Unlimited
HealthMailbox889f9962b... HealthMailbox889f... exmdb01 Unlimited
HealthMailboxd323e1567... HealthMailboxd323... exmdb01 Unlimited
HealthMailboxb91cc84be... HealthMailboxb91c... exmdb01 Unlimited

Patrick Bogers

Hi

Yes you can delete the content or recreate the box because after send recieve it is worthless.
Have a look at this link.
https://blogs.technet.microsoft.com/admoore/2015/03/11/exchange-2013-health-mailboxes/

rabih_saleh

ASKER

Hi, so i will delete only the HealthMailbox which is showing is full right ? and what about the error showing below (is it corrupted or what)

WARNING: The object domain.net/Microsoft Exchange System Objects/Monitoring
Mailboxes/HealthMailboxc8ae4d788f6e4b94a62ba0f813877ae9 has been corrupted or isn't compatible with Microsoft support
requirements, and it's in an inconsistent state. The following validation errors happened:
WARNING: Database is mandatory on UserMailbox.
WARNING: Database is mandatory on UserMailbox.

ASKER CERTIFIED SOLUTION

Patrick Bogers

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