Released: Rollup 4 for Forefront Protection for Exchange


Hotfix Rollup 4 for Forefront Protection 2010 for Exchange Server (FPE) has been made available by Microsoft.

It includes a series of enhancements and new features. For a list of the fixes in RU4 for FPE:

  1. Email is sent to the Forefront Protection for Exchange UNDELIVERABLE folder instead of being delivered
  2. UNC and proxy credentials are stored in clear text in the Forefront Protection for Exchange file system
  3. The Forefront Protection for Exchange FSEMachinePrep.exe fails with a fatal error
  4. The external sender does not receive the expected Forefront Protection for Exchange generated notification
  5. Forefront Protection for Exchange generates a notification with a blank subject line
  6. Forefront Protection for Exchange virus engine updates fail between the passive node and active node in CCR clusters
  7. Forefront Protection for Exchange only accepts 7-digit License Agreement numbers
  8. Forefront Protection for Exchange generates a 2098 event ID every time the MSExchangeTransport service is restarted
  9. Email queues at startup on an Exchange server running Forefront Protection for Exchange
    For a complete list of the new features and enhancements included in this rollup and download instructions, read the Knowledge Base article: Hotfix Rollup 4 for Microsoft Forefront Protection for Exchange.

About Author

Peter is an Exchange specialist with over 15+ years of experience with Exchange Server and certified Microsoft Certified Master (MCM) and Microsoft Certified Solutions Master (MCSM) on Exchange Server. He has been awarded the Microsoft MVP award, every year since 2007. He is active in the Microsoft community and User Group Leader for CoLabora (a danish UC & Cloud User Group). He works as an Cloud & Infrastructure Architect and Consulent, with primary focus on Exchange, Office 365, Azure and Skype for Business.


  1. Can you let me know as I am planning to Install : in our Exchange 2010 DAG setup do i need to take any Precaution while performing upgrade or this will be straight forward instillation.

    Secondly, any issues encountered during installation, after installation do we need reboot of servers or only services Restart for FPE will be good for the upgrades

    Thanks Jatin kakkar.

    • Exchange will restart the services needed during the install of the update.
      There are some recommendation regarding FPE, it’s best to stop those services during install and start them again after the update is done.

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