Exclude the following folders from file-level scanning and memory-resident scanning on Exchange 2016 servers.
| Folder | Category | Description | Servers | |||
|---|---|---|---|---|---|---|
%SystemRoot%\Cluster | DAGs | The cluster quorum database and other files for database availability groups (DAGs). | Mailbox servers | |||
%SystemDrive%\DAGFileShareWitnesses\ | DAGs | The witness directory on the witness server that's configured for the DAG. The witness server can be virtually any Microsoft Windows server in the local Active Directory forest that isn't already a member of the DAG.To see the actual location, run the following command: Get-DatabaseAvailabilityGroup | Format-List Witness | Any | ||
%ExchangeInstallPath%ClientAccess\OAB | Offline Address Books | Offline Address Book files. | Mailbox servers | |||
%ExchangeInstallPath%FIP-FS | Antimalware and DLP | Content scanning that's used by the Malware agent and data loss prevention (DLP). | Mailbox servers | |||
%ExchangeInstallPath%GroupMetrics | MailTips | Group Metrics files that are used to calculate values for the Large Audience and External Recipients MailTips. | Mailbox servers | |||
%ExchangeInstallPath%Logging | Exchange process logs | This folder contains many different types of Exchange logs in subfolders. For example:Calendar Repair Assistant logsManaged Folder Assistant logsIMAP4 protocol logsPOP3 protocol logsTo see the actual locations, run the following commands: Get-MailboxServer -Server ** | Format-List LogPath Get-PopSettings | Format-List LogFileLocation Get-ImapSettings | Format-List LogFileLocation | |
%ExchangeInstallPath%Mailbox | Mailbox databases | Exchange databases, checkpoint files, and log files. By default, these files are located in subfolders based on the name of the database. To see the actual locations, run the following command: Get-MailboxDatabase -Server | Format-List EdbFilePath,LogFolderPath By default, database context index files are located in the same folder as the database files in a subfolder that's named after the GUID of the database. | Mailbox servers | ||
%ExchangeInstallPath%TransportRoles\Data\Adam | EdgeSync | Active Directory Lightweight Directory Services (AD LDS) and log files. | Edge Transport servers | |||
%ExchangeInstallPath%TransportRoles\Data\IpFilter | Connection filtering | IP filter database, checkpoint, and log files. | Edge Transport servers | |||
%ExchangeInstallPath%TransportRoles\Data\Queue | Queues | Queue database, checkpoint, and log files. | Mailbox serversEdge Transport servers | |||
%ExchangeInstallPath%TransportRoles\Data\SenderReputation | Sender reputation | Sender Reputation database, checkpoint, and log files. | Edge Transport serversMailbox servers | |||
%ExchangeInstallPath%TransportRoles\Data\Temp | Content conversion | Content conversion that's done in the transport pipeline. | Mailbox serversEdge Transport servers | |||
%ExchangeInstallPath%TransportRoles\Logs | Transport logs | Mail flow and transport pipeline logs are located in subfolders, for example:Agent loggingConnectivity loggingMessage trackingPipeline tracingSend and Receive connector protocol loggingTo see the actual locations, run the following commands: Get-TransportService | Format-List LogPath,TracingPath Get-FrontEndTransportService ** | Format-List *LogPath Get-MailboxTransportService ** | Format-List LogPath,TracingPath | Mailbox serversEdge Transport servers (Transport service only) |
%ExchangeInstallPath%TransportRoles\Pickup | Pickup directory | The Pickup directory is used by administrators for mail flow testing or by applications that need to create and submit their own message files.To see the actual location, run the following command: Get-TransportService | Format-List PickupDirectoryPath | Mailbox serversEdge Transport servers | ||
%ExchangeInstallPath%TransportRoles\Replay | Replay directory | The Replay directory receives messages from foreign gateway servers and can also be used to resubmit messages that administrators export from the queues of Exchange servers.To see the actual location, run the following command: Get-TransportService | Format-List ReplayDirectoryPath | Mailbox serversEdge Transport servers | ||
%ExchangeInstallPath%UnifiedMessaging\Grammars | Unified Messaging | Grammar files for different locales, for example en-EN or es-ES. | Mailbox servers | |||
%ExchangeInstallPath%UnifiedMessaging\Prompts | Unified Messaging | Voice prompts, greetings, and informational message files. | Mailbox servers | |||
%ExchangeInstallPath%UnifiedMessaging\Temp | Unified Messaging | Temporary files generated by Unified Messaging. | Mailbox servers | |||
%ExchangeInstallPath%UnifiedMessaging\Voicemail | Unified Messaging | Voice mail files that are temporarily stored. | Mailbox servers | |||
%ExchangeInstallPath%Working\OleConverter | Content conversion | Transport Neutral Encoding Format (TNEF), also known as Rich Text Format (RTF), to MIME/HTML conversions. | Mailbox serversEdge Transport servers | |||
%SystemDrive%\inetpub\temp\IIS Temporary Compressed Files | Web components | Internet Information Services (IIS) compression folder that's used with Outlook on the web. | Mailbox servers | |||
%SystemRoot%\Microsoft.NET\Framework64\v4.0.30319\Temporary ASP.NET Files | Web components | Temporary files that are used with Exchange services. These files are located in the following subfolders:autodiscoverecpewsmapimapi_emsmdbmicrosoft-server-activesyncoabowaowa_calendarpowershellrootrpc | Mailbox servers | |||
%SystemRoot%\System32\Inetsrv | Web components | IIS system files. | Mailbox servers | |||
| %SystemRoot%\Temp\OICE_ ** \ | Exchange Search | Temporary files used by the Exchange Search service and Microsoft Filter Pack to perform file conversion in a sandboxed environment. | Mailbox servers |