Seeing this error on Exchange 2016 with failed DB:
Log Name: Application
Source: ExchangeStoreDB
Date: 28/07/2022 13:01:10
Event ID: 231
Task Category: Database recovery
Level: Error
Keywords: Classic
User: N/A
Computer: N2KExch01.domain.local
Description:
At '28/07/2022 13:01:09', the copy of database 'DB02' on this server encountered an error during the mount operation. For more information, consult the Event log on the server for "ExchangeStoreDb" or "MSExchangeRepl" events. The mount operation will be tried again automatically.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="ExchangeStoreDB" />
<EventID Qualifiers="49156">231</EventID>
<Level>2</Level>
<Task>1</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2022-07-28T12:01:10.272288000Z" />
<EventRecordID>18592728</EventRecordID>
<Channel>Application</Channel>
<Computer>N2KExch01.domain.local</Computer>
<Security />
</System>
<EventData>
<Data>DB02</Data>
<Data>8329bbad-2244-40c8-bacf-542f0d0f9a7e</Data>
<Data>Store</Data>
<Data>GenericMountFailure</Data>
<Data>DB02</Data>
<Data>Store</Data>
<Data>There is only one copy of this mailbox database (DB02). Automatic recovery is not available.</Data>
<Data>28/07/2022 13:01:09</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>None specified.</Data>
</EventData>
</Event>
