Try our free Certificate Revocation List Check Tool
CRLcheck.exe a free tool to verify digital signatures of executable files. It collects files from known paths on your client,
checks their signature, and checks CRL and OCSP download.

Highroller

Inplace Upgrade of WSUS Server 2016 to 2025 in one step CRL check, Zertifikatsperrlisten Software, Certificate Revocation List Check Tool zum suchen aller geblockten CRL in Firmenumgebungen, crlcheck.exe CRLcheck.exe Certificate Revocation List Check Tool to verify all CRL and OCSP on Windows client Missing entry in Fortigate Application Filter ROOT.CERTIFICATE.URL and OCSP source of W10 Setup failing M365/Intunes | MDM and MAM enrollement, Primary user, User Scope Limitation what affect
Microsoft Exchange CRUNCH Exchange 2013 Exchange 2016 Exchange 2019 M365 - Exchange Online M365,AZURE,INTUNE

M365/Exchange Hybrid OAuth Testing command, OAuth-Cert out-of-sync 4001, IIS VDIR OAuth wrong

21.06.2023 admin

www.butsch.ch Resolve and find OAuth problem in Exchange Hybrid Setup Environment Short Understanding OAuth: OAuth (Open Authorization) is an industry-standard protocol that enables secure authorization for third-party applications without the need to disclose user credentials. It allows users to grant limited access to their resources on one site to another site, without sharing their credentials. […]

Intunes Microsoft Exchange SECURITY

Abstellung 3G, Schweiz Swisscom 3G, 4G, VoLTE (Voice over LTE) was muss ich beachten?

03.12.2025 admin

Abstellung 3G, Schweiz Swisscom 3G, 4G, VoLTE (Voice over LTE) was muss ich beachten? In der Schweiz werden aktuelle Mobilfunkdienste zunehmend auf moderne Netztechnologien umgestellt. Besonders wichtig ist dabei, dass Smartphones VoLTE unterstuetzen. Ohne diese Funktion koennen Telefonie und SMS bei Swisscom nicht mehr wie gewohnt genutzt werden. Bakom schreibt: Ältere Mobiltelefone ohne 4G Technologie […]

ENS | Endpoint Security EPO | ePolicy Orchestrator SECURITY

Trellix Endpoint Security Platform 10.7.19 mfeesp.exe crash nach Update, Event 1000, W11, SRV 2016 und 2019, Deutsch

01.12.2025 admin

Migration von Trellix Endpoint ENS 10.7.19 fehlerhaft ENS Oberfläche zeigt Fehler: Error commincating with the Event Log (Windows Defender ist aktiv) mfeesp.exe verursacht Abstürze In der ENS-GUI erscheint: “Error communicating with the Event Log” Application Event 1000 mit Verweis auf MSVCP140.DLL, MSVCP140_1.DLL, MSVCP140_2.DLL, MSVCP140_atomic_wait.dll oder MSVCP140_codecvt_ids.DLL Betroffen: Microsoft Windows 11 24H2 sowie Windows Server 2016 […]

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FW Fortigate SECURITY

FortiClient IPSEC VPN error Last Disconnect Reason: ChildSa_Negotiation_Failed

27.11.2025 admin

Fortinet FortiClient 7.4.4.1887 IPSEC VPN not working Error: ChildSa_Negotiation_Failed We just changed from Fortinet FortiGate SSLVPN to IPSEC because FortiGate will drop SLL VPN tunnel mode for security reasons. https://docs.fortinet.com/document/fortigate/latest/administration-guide/155142/ssl-vpn-tunnel-mode-to-ipsec-vpn-migration-new My VPN jump host running under VMware workstation could not connect to the IPSEC. Before you change the NIC mode or play around one hundred […]

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Deployment ENS | Endpoint Security EPO | ePolicy Orchestrator Mcafee/Trellix Scripting SECURITY

Unable to migrate Trellix Endpoint ENS 10.7.19, Event 1000, MSVCP140.dll, mfeesp.exe, Error communicating with the Event Log

20.11.2025 admin

Unable to migrate to Trellix Trellix Endpoint Security ENS 10.7.19 and ENS GUI crash with event 1000 (Update/migration/upgrade) mfeesp.exe crashing GUI: Error communicating with the Event Log Application Event 1000 from MSVCP140.DLL, MSVCP140_1.DLL,MSVCP140_2.DLL, MSVCP140_atomic_wait.dll or MSVCP140_codecvt_ids.DLL Affected OS we have seen with error: Microsoft Windows W11 24H2 Microsoft Server 2016 Microsoft Server 2019 Terminal Server […]

Exchange 2019 M365 - Exchange Online M365,AZURE,INTUNE Microsoft SCCM,MEM,MDT Outlook

Verify if you are affected from MS EX1181125, new M365 group member added wrongly had OWNER permission 03.10-31.10.2025

05.11.2025 admin

Error: Some users added as members to a Microsoft 365 group in Outlook on the web may be given “Owner” permissions by default   Important Security Notice for M365 Groups Between October 3 and October 31, 2025, Microsoft Exchange Online experienced an issue that affected Microsoft 365 (M365) Groups. During this period, when a new […]

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Microsoft Server OS SECURITY Server 2008 R2 Server 2012 R2 Server 2016 Server 2019 Server 2022 [21H2/22H2/32H2] Server 2025 WSUS

Is your SBS environment update ready for 25H2 W11, SMB-Version, smbchecker.ps1

02.11.2025 admin

PowerShell script to check if you SMB setup is 25H2 ready   Windows 11 25H2 – Small Update, Big Impact for SMB Environments Windows 11 25H2 is now being offered on home and business systems as an Enablement Pack. This means it’s not a full new installation — instead, it’s a small ~50 MB update […]

Deployment Hotfixes, Updates Scripting Server 2022 [21H2/22H2/32H2] Server 2025 WSUS

WSUS Out of Band Patch Installer – CVE-2025-59287 for all OS automatic

26.10.2025 admin

Powershell skript to force the Out of band patches for WSUS Exploit fully automatic on WSUS. WSUS Out-of-Band Patch Installer – Overview (CVE-2025-59287) for all OS automatic Run our emergency skript direct on your WSUS Server. The 24.10.2025 emergency patches itself are in WSUS. If they are APROVED there our skript will install them from […]

GPO | Gruppenrichtlinien Hotfixes, Updates Intunes M365,AZURE,INTUNE Server 2025 WSUS

W11 24H2 + Server 2025 Hotpatch without Reboot how to set VBS via GPO so it works

05.03.2025 admin

Hotpatching is coming to Windows 11 24H2 Enterprise E3+. Users will be able to patch “Security ONLY” updates on Patch Tuesday without requiring a reboot each time. W11 Hotpatch only available for Windows Enterprise E3 or E5 (e.g. Microsoft 365 A3/A5 or Microsoft 365 F3); or a Windows 365 Enterprise subscription. Windows 11 version 24H2 […]

M365 - Exchange Online M365,AZURE,INTUNE

Exchange Online SMTP Volumen Limiten für ausgehende E-Mail ab März 2025 – TERRL

25.02.2025 admin

Microsoft führt Limit für ausgehenden SMTP-E-Mail-Flow von Tenants ein Back to the roots? Ein weiterer neuer Grund wieso grössere Firmen gewisse Services zurück on-premise holen? Microsoft beschränkt künftig die Anzahl an E-Mails, die ein Tenant pro Tag versenden kann. Dabei ist zu beachten, dass auch Kalendereinladungen und Terminbenachrichtigungen als E-Mails gezählt werden. Falls durch fehlerhafte […]

Exchange 2019 M365 - Exchange Online M365,AZURE,INTUNE

Exchange Tenant, EXO, EWS Security change (Fehlervermeidung Security), 02-2025

20.02.2025 admin

Exchange Tenant, EXO, EWS Security change (Fehlervermeidung Security) Microsoft verbessert die Sicherheit von EWS und löst das Problem bei der Kombination von “per Tenant” und “per User” Rechten. Dies erleichtert es insbesondere grossen Unternehmen, Compliance-Vorgaben konsequent durchzusetzen. Ein wesentlicher Grund für diese Änderung ist, dass viele Personen im M365-Portal oder über Graph API Änderungen vornehmen, […]

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