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Try our new Certificate Revocation List Check Tool CRLcheck.exe is a tool developed to verify digital signatures of executable files. It collects files from known paths on your client, checks their signature, and checks Certificate Revocation Lists (CRL) and OCSP download. This helps avoid delays in launching files. |
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Google Chrome.exe 124 and Edge Chromium may have problems connecting Webserver behind older firewalls or proxy OR certain security device do not filter HTTPS/TLS websites anymore. The problem has started around 22.04.2024 and is growing. This could effect you if: You run or someone else runs a Webserver or any service with https […]
Exchange SE (Subscription Edition), Exchange 2019 Nachfolger mit in-place Upgrade | Microsoft hat gerade Release-Informationen und eine Zeitlinie für die Einführung der neuen Exchange SE (Subscription Edition) veröffentlicht. Kunden können weiterhin rein On-Premises oder im Hybridmodus arbeiten, wie es ihren Bedürfnissen entspricht. Neu wird die Exchange SE jedoch ausschliesslich im Abonnementmodell erhältlich sein. […]
FortiClient hangs at 40% – If you encounter an issue with the certificates or the TLS negotiation, it may be due to the default FortiGate certificate not being trusted by the client. This can result in a popup window appearing to confirm the certificate’s validity. Ensure that this popup window is not hidden behind other […]
Mit diesem Tool findet man schnell und einfach alle verwendeten CRL eines clients und kann prüfen ob der client diese erreicht. In den vergangenen Jahren habe ich persönlich miterlebt, wie die Zertifikatssperrung auf Windows-Systemen oft unterschätzt wird, selbst in großen Unternehmen. Dieses Problem beeinträchtigt sowohl Client- als auch Server-Systeme erheblich, wenn es nicht korrekt verwaltet […]
Powershell to show and log SMTP Port 25, 465, 2525 after Decomission old Exchange Server When decommissioning an Exchange Server, it’s common to install SMTP/IIS to capture and redirect the failing SMTP sender traffic, allowing us to monitor if there’s still traffic coming to the old Exchange. Below is a PowerShell script that you […]
CRLcheck.exe Certificate Revocation List Check Tool to automatic verify CRL and OCSP internet reachability of all your EXE files that your client runs. Download 11/2024 NEW Release 2.0.1.0 with OSCP check, Proxy Options, AIA Chain check etc. Version 2.0.1.0, https://www.butsch.ch/wp-content/uploads/tools/crlcheck/latest/crlcheck.7z Over the past 20 years, I have personally witnessed how Certificate Revocation […]
Microsoft M365 O365 EXO throttles Exchange 2013 in HYBRID Mode, Queue is growing SMTP ERROR: Connecting Exchange server version is out-of-date Since December 2023, Microsoft has been throttling or blocking on-premises Exchange 2013 servers that are in Hybrid Mode, connecting to their cloud environment. Even if 99% of the mailboxes are already in the […]
ERROR: You want to delete a Exchange MAILBOX of a user. The user account is decativated. Crypt error: 0000005: SecErr: DSID-03152d1c, problem 4003 (INSUFF_ACCESS_RIGHTS), data 0 This is because a local normal employee user has the ADMINSholder/adminCount flags set to 1/true. (Which is not good in Domain Environments) This is because the Active […]
Here you will find all steps to protect from CVE-2024-21410 Exchange Leak. This sample handels and standlaone Exchange 2016 running on Server 2016. The customer has no DAG (Cluster), He is NOT in Hybrid Mode Classic or Modern (He has no CLOUD connection), all latest 02/2024 Windows Updates are installed, the latest CU for […]
The normal Intunes Agent that is running on a Windows 10/11 64-bit OS is a 32-bit Agent. INTUNES-MEM: 32 or 64-bit Runtime and Registry Hive explained (WOW6432Node) Short sample why you maybe landed here…. What is the problem that we often see: A Win32APP with import_registry.cmd or import_registry.ps1 is run via Intunes. Before deployment […]
Exchange CVE-2024-21410 2013/2016/2019 Extended Protection Kemp-F5 and Modern Hybrid Mode problem Primary target which is part of the attack: Make sure you ROLLOUT the Outlook.exe 02/2024 Patch. That is the most important thing. Esp. On Home Office/Remote Office which may have SMB/445 to WAN open and for VPN users NO traffic to/via VPN-2-HQ policy (Which […]
We just had a case where we in detail explored the CRC errors with Intunes Packets. Simply WIN32 Package with 300MB failed just for one client. One client had a CRC error same day while others just fine. Here is how to check local on-premises to be sure you can tell it’s M365 side failing […]
Mastering Firewalls for Intunes and Autopilot Success In the realm of IT, especially with the advent of cloud-based systems like M365 and Intune, managing firewalls has evolved into a complex challenge. Gone are the days of a handful of external ports; now, it’s like navigating a digital maze of ports and IP ranges. Enter the […]
FortiGate Application Filter Certificate wrong/missing Entry sample for an important laptop driver (W10 Deployment fails because of signed Driver Revocation Lookup) Missing entry in Fortigate Application Filter “ROOT.CERTIFICATE.URL” and “OCSP” source of failing Windows 10 Deployment with commercial Deployment Products (This includes HP client hardware, Microsoft SCCM, Landesk or Ivanti Frontrange). During the Unattend phase […]
List or change Inboxrules employee have > Automatic E-Mail forwards to private or external E-Mail systems. Problem: In Exchange, users are able to forward E-Mail themself to an external private account. This is a problem because of compliance and if you don’t have a DLP (Data Lost Prevention). There are ways to prevent this (With […]