Error 0x6bb deleting unused restricted view from folder Microsoft Exchange Information Store will try to delete the view again at the next maintenance interval Exchange 2007

Hello all,

Can anyone explain why our Exchange server is having issues deleting views from the database?

We are seeing the following:

Log Name:      Application
Source:        MSExchangeIS Mailbox Store
Date:          02/09/2019 16:38:28
Event ID:      1173
Task Category: Views
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      %computername%.domain.local
Description:
Error 0x6bb deleting unused restricted view from folder 1-136532C8D2C on database "First Storage Group\Mailbox Database". Microsoft Exchange Information Store will try to delete the view again at the next maintenance interval.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="MSExchangeIS Mailbox Store" />
    <EventID Qualifiers="32803">1173</EventID>
    <Level>3</Level>
    <Task>35</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2019-09-02T15:38:28.000000000Z" />
    <EventRecordID>977778</EventRecordID>
    <Channel>Application</Channel>
    <Computer>%computername%.domain.local</Computer>
    <Security />
  </System>
  <EventData>
    <Data>1-136532C8D2C</Data>
    <Data>0x6bb</Data>
    <Data>First Storage Group\Mailbox Database</Data>
  </EventData>
</Event>