: You can test if the issue is strictly a service startup failure by disabling the blockMailIfInitFailed parameter in the PGPprefs.xml file, though this may allow unencrypted mail to be sent.
If you encounter this issue, follow these steps in order to restore the connection: Pgp Blocked Connection To Tray Failed
: If the problem persists, delete your local preference files ( PGPprefs.xml and PGPpolicy.xml ) from %appdata%\PGP Corporation\PGP and restart the application to force a re-enrollment with your encryption server. Technical Summary Resolution Startup Race Condition Close Outlook, launch PGP, then relaunch Outlook. Service Crash Restart PGPtray.exe from the Windows Start menu. Security Block Whitelist PGP binaries in antivirus settings. Corrupt Profile Delete %appdata% PGP folders and re-enroll. : You can test if the issue is
For detailed official guides, refer to the Broadcom/Symantec Knowledge Base for PGP Message Blocked Troubleshooting or Imperial College London's Guide on SED Re-enrollment. PGP:message is blocked- cannection to tray failed Service Crash Restart PGPtray
: Close Outlook and all Symantec Encryption services (right-click the padlock icon in the tray and select Exit PGP Services ). Always launch Symantec Encryption Desktop before opening Outlook to ensure the encryption engine is ready to intercept the mail stream.