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Exchange User Group | @exusg 1
Exchange User Group
{Online Edition}
4. November 2021
Exchange User Group | @exusg 2
Meetup Q4 2021
 Exchange Server Emergency Mitigation Service
Thomas Stensitzki
 Exchange ...
Exchange User Group | @exusg 3
Exchange Server
Emergency Mitigation Service
Thomas Stensitzki
Exchange User Group | @exusg 4
Thomas Stensitzki
Enterprise Consultant
Granikos GmbH & Co. KG
MVP | MCT Regional Lead
@ste...
Exchange User Group | @exusg 5
Exchange Server CU September 2021
 Neue Installationsvoraussetzung
 IIS URL-Rewrite Modul...
Exchange User Group | @exusg 6
Exchange Emergency Mitigation Service
 Neuer Exchange Service für Postfachrolle
 Nicht fü...
Exchange User Group | @exusg 7
Exchange Emergency Mitigation Service
 Stündliche Prüfung der EEMS Informationen beim OCS
...
Exchange User Group | @exusg 8
Exchange Server Mitigation
# Abfrage der verfügbaren Mitigations
cd $exscripts
.Get-Mitigat...
Exchange User Group | @exusg 9
Exchange Server Mitigation
# Aktivierung auf Organisationsebene
Set-OrganizationConfig – Mi...
Exchange User Group | @exusg 10
Exchange Server Diagnostic Data
 Exchange Server Build
 CU/SU Build-Information, z.B. 15...
Exchange User Group | @exusg 11
Exchange Server Diagnostic Data
 Applied Mitigations
 Liste der auf dem Server angewandt...
Exchange User Group | @exusg 12
Exchange Server Sicherheit
 Prüfung der aktuellen Konfiguration mit HealthChecker
 https...
Exchange User Group | @exusg 13
Exchange Server AMSI & MDAV
 AMSI – Antimalware Scan Interface
 Prüft eingehende HTTP-An...
Exchange User Group | @exusg 14
Demo
Exchange User Group | @exusg 15
Ressourcen
 IIS URL-Rewrite Modul
 Automatische Installation via Web Platform Installer
...
Exchange User Group | @exusg 16
Exchange Q & A
Exchange User Group | @exusg 17
Exchange User Group
Exchange User Group | @exusg 18
Exchange User Group
Nächster Termin: 3. März 2022
Homepage https://exusg.de
Twitter @exusg...
Exchange User Group | @exusg 19
Exchange User Group
 Exchange User Group Team
 Im Microsoft Community Tenant
 Community...
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EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 1 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 2 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 3 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 4 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 5 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 6 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 7 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 8 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 9 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 10 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 11 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 12 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 13 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 14 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 15 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 16 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 17 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 18 EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service Slide 19
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EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service

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Präsentation zum Meetup der Exchange User Group DACH am 4. November 2021.
Meetup 2021 - Q4
Exchange Emergency MItigation Service

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EXUSG - 2021 - Q4 - Exchange Emergency Mitigation Service

  1. 1. Exchange User Group | @exusg 1 Exchange User Group {Online Edition} 4. November 2021
  2. 2. Exchange User Group | @exusg 2 Meetup Q4 2021  Exchange Server Emergency Mitigation Service Thomas Stensitzki  Exchange Q & A Die Talks werden aufgezeichnet. The sessions will be recorded.
  3. 3. Exchange User Group | @exusg 3 Exchange Server Emergency Mitigation Service Thomas Stensitzki
  4. 4. Exchange User Group | @exusg 4 Thomas Stensitzki Enterprise Consultant Granikos GmbH & Co. KG MVP | MCT Regional Lead @stensitzki thomas.stensitzki@granikos.eu
  5. 5. Exchange User Group | @exusg 5 Exchange Server CU September 2021  Neue Installationsvoraussetzung  IIS URL-Rewrite Modul  Update for Universal C Runtime in Windows für Windows Server 2012 und 2012R2  Neuer Kommandozeilen-Schalter für Installation  /IAcceptExchangeServerLicenseTerms_DiagnosticDataON  /IAcceptExchangeServerLicenseTerms_DiagnosticDataOFF Exchange Server 2016 / 2019
  6. 6. Exchange User Group | @exusg 6 Exchange Emergency Mitigation Service  Neuer Exchange Service für Postfachrolle  Nicht für die Edge Transport Rolle  Aktivierung / Deaktivierung  Organisationsweit MitigationsEnabled: True|False  Je Exchange Server mit Postfachrolle  Abkürzungen  EEMS – Exchange Emergency Mitigation Service  EOMT – Exchange On-Premises Mitigation Tool  OCS – Office Config Service Exchange Server CU September 2021
  7. 7. Exchange User Group | @exusg 7 Exchange Emergency Mitigation Service  Stündliche Prüfung der EEMS Informationen beim OCS  https://officeclient.microsoft.com/getexchangemitigations  Signierte XML-Datei mit Konfigurationen  Implementierung eines Notfall-Workarounds  Sicherung bis zur Verfügbarkeit eines Security Patches  Security Patch muss manuell installiert werden  Einzelne Mitigations können deaktiviert werden Exchange Server CU September 2021
  8. 8. Exchange User Group | @exusg 8 Exchange Server Mitigation # Abfrage der verfügbaren Mitigations cd $exscripts .Get-Mitigations.ps1 # Export der verfügbaren Mitigations .Get-Mitigations.ps1 –ExportCSV C:ScriptsMitigations.csv # Test der Verbindung zum Mitigationendpunkt .Test-MitigationServiceConnectivity.ps1
  9. 9. Exchange User Group | @exusg 9 Exchange Server Mitigation # Aktivierung auf Organisationsebene Set-OrganizationConfig – MitigationsEnabled:$true # Deaktivierung auf Organisationsebene Set-OrganizationConfig – MitigationsEnabled:$false # Abfrage der Mitigationstatus auf Serverebene Get-ExchangeServer | Sort-Object Name | FT Name,Miti* -AutoSize # Deaktivierung der Mitigations M1 und M2 auf einem Server Set-ExchangeServer SERVER –MitigationsBlocked M1,M2 –MitigationsEnabled:$null # Aktivierung der Mitigation M1 auf einem Server Set-ExchangeServer SERVER –MitigationsBlocked M2 –MitigationsEnabled M1
  10. 10. Exchange User Group | @exusg 10 Exchange Server Diagnostic Data  Exchange Server Build  CU/SU Build-Information, z.B. 15.1.2375.7  Emergency Mitigation Service-Status  Information zum Konfigurationsstatus, werden Daten übertragen ja/nein  Immutable Device ID  Eindeutige GUID für den HTTP-Request, nicht identisch mit der GUID des Exchange Server Objektes  Immutable Org ID  Eindeutige GUID der Exchange Organisation
  11. 11. Exchange User Group | @exusg 11 Exchange Server Diagnostic Data  Applied Mitigations  Liste der auf dem Server angewandten Mitigations  Blocked mitigations  Liste der auf dem Server blockierten Mitigations # Deaktivierung Set-ExchangeServer -Identity <ServerName> -DataCollectionEnabled:$false # Aktivierung Set-ExchangeServer -Identity <ServerName> -DataCollectionEnabled:$true Protokolldateien  V15LoggingMitigationService
  12. 12. Exchange User Group | @exusg 12 Exchange Server Sicherheit  Prüfung der aktuellen Konfiguration mit HealthChecker  https://aka.ms/ExchangeHealthChecker  Exchange Update Wizard  https://aka.ms/ExchangeUpdateWizard  Exchange On-Premises Mitigation Tool  https://aka.ms/eomt
  13. 13. Exchange User Group | @exusg 13 Exchange Server AMSI & MDAV  AMSI – Antimalware Scan Interface  Prüft eingehende HTTP-Anfragen  Windows Server 2016 / 2019  Interagiert mit MDAV und ist automatisch aktiv  MDAV – Microsoft Defender Antivirus  Automatische Prüfung auf neue Signatur-Dateien  Internetverbindung erforderlich  Bei Nutzung einer Drittanbieter AV-Lösung automatisch deaktiviert Exchange Server CU Juni 2021
  14. 14. Exchange User Group | @exusg 14 Demo
  15. 15. Exchange User Group | @exusg 15 Ressourcen  IIS URL-Rewrite Modul  Automatische Installation via Web Platform Installer  Manuelle Installation  Update for Universal C Runtime in Windows  New security feature in September 2021 Cumulative Update for Exchange Server  Addressing Your Feedback on the Exchange Emergency Mitigation Service  One-Click Microsoft Exchange On-Premises Mitigation Tool – March 2021  News About the June 2021 Cumulative Update for Exchange Server
  16. 16. Exchange User Group | @exusg 16 Exchange Q & A
  17. 17. Exchange User Group | @exusg 17 Exchange User Group
  18. 18. Exchange User Group | @exusg 18 Exchange User Group Nächster Termin: 3. März 2022 Homepage https://exusg.de Twitter @exusg Organisatorisches
  19. 19. Exchange User Group | @exusg 19 Exchange User Group  Exchange User Group Team  Im Microsoft Community Tenant  Community Sticker  https://go.granikos.eu/CommunitySticker  EXUSG Mugs  https://go.granikos.eu/EXUSGMug Organisatorisches

Präsentation zum Meetup der Exchange User Group DACH am 4. November 2021. Meetup 2021 - Q4 Exchange Emergency MItigation Service

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