Applies to: Exchange Server 2010 SP3

Topic Last Modified: 2012-04-24

Microsoft Exchange Server 2010 generates Antispam events in Event Viewer so that you can troubleshoot and verify the Antispam features and services. Event Viewer tracks the following kinds of events in the given order, based on importance:

Antispam Errors and Events

The following table provides a list of the Antispam events.

Event ID Category Event type Value or description

MSExchange Antispam 100

General

Warning

Protocol Analysis Background agent warning. The queue this agent uses is full. This does not affect SRL calculations. Open proxy, reverse DNS, and sender blocking are affected.

MSExchange Antispam 101

General

Error

Protocol Analysis: DNS is not configured. Most likely, no DNS servers found. Sender Reputation calculations are disabled.

MSExchange Antispam 200

General

Warning

Protocol Analysis warning. No DNS entries were found for this server's authoritative domains. Open proxy detection is not available.

MSExchange Antispam 301

General

Error

Unable to initialize the Content Filter agent: %1

MSExchange Antispam 302

General

Warning

Unable to quarantine message because the spam quarantine mailbox is invalid. Please configure the quarantine mailbox.

MSExchange Antispam 303

General

Error

Microsoft Exchange was unable to initialize the Content Filter agent. Check the access control lists (ACLs) on the files under '%1' and make sure the Microsoft Exchange Transport service can access them. Details: %2

MSExchange Antispam 304

General

Warning

Microsoft Exchange was unable to initialize the Content Filter agent. Files under %1 may be corrupted. Details: %2

MSExchange Antispam 305

General

Error

Microsoft Exchange was unable to initialize the Content Filter agent. Notification of the file system change could not be initialized. Try restarting the Microsoft Exchange Transport service. Details: %1

MSExchange Antispam 306

General

Error

Microsoft Exchange was unable to initialize the Content Filter agent. It could not allocate sufficient memory for an internal buffer. Increase the available memory and restart the Microsoft Exchange Transport service. Details: %1

MSExchange Antispam 307

General

Error

The Content Filter wrapper process is not responding. Unable to scan the message.

MSExchange Antispam 308

General

Error

Content Filter wrapper process is now being restarted.

MSExchange Antispam 310

General

Error

Content Filter wrapper process could not be restarted in a timely manner. Restarting Microsoft Exchange Transport Service may solve the problem.

MSExchange Antispam 311

General

Error

An error occurred while sending the shutdown message to the Content Filter wrapper process. Details: %1

MSExchange Antispam 312

General

Warning

Content Filter wrapper did not timely respond to the last %1 messages.

MSExchange Antispam 313

General

Warning

A message could not be sent to the Content Filter wrapper because of an error. The message is being rejected. Details: %1

MSExchange Antispam 314

General

Warning

Microsoft Exchange couldn't initialize the Content Filter agent because ExSMime.dll couldn't be initialized. Verify that ExSMime.dll is properly registered by using Regsrv32.exe. Details: %1

MSExchange Antispam 315

General

Error

An unexpected failure occurred while trying to scan the message with ID %1. This message has not been assigned a spam confidence level (SCL) value. Details: %2

MSExchange Antispam 316

General

Error

Failed to read the current Microsoft Anti-spam Update service mode. Therefore, any recent change in the mode may not have taken effect. To solve the problem, try restarting the Microsoft Exchange Transport service. Details: %1

MSExchange Antispam 318

General

Error

Microsoft Exchange couldn't initialize the Content Filter agent because a required file could not be found on your system. Please run the Reset-AntispamUpdates script from the Exchange Management Shell and restart Microsoft Exchange Transport service to solve the problem. Details: %1

MSExchange Antispam 400

General

Error

Update agent warning. Microsoft Exchange couldn't load the IP reputation data file.

MSExchange Antispam 500

General

Error

A notification of a configuration change has been received for %1 but the new configuration could not be read. Please check network connectivity between this server and the Active Directory directory service. The agent will continue to run with the old configuration.

MSExchange Antispam 600

General

Error

Connection Filter agent: DNS is not configured. IP Allow List and Block List providers will be skipped

MSExchange Antispam 700

General

Error

Sender ID agent: DNS is not configured. Messages will be handled as if DNS requests have failed temporarily.