Wi-Fi or VPN sign-in failing after a Windows update? What to check
When a user says their Wi-Fi or VPN stopped working after an update, there are quite a few things to check. Drivers, connection profiles, credential…
DevOps
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AADSTS50105 User Not Assigned to a Role for the Application: A Read-First Enterprise App Assignment Triage
Helpdesk: "Finance can't open the new expense app. Red page says AADSTS50105, the signed in user is not assigned to a role for the application. IT a…
Intune Microsoft 365 Apps Not Installing: A Read-First MSI, CDN, and Office CSP Error Triage
Helpdesk: a Required Microsoft 365 Apps assignment sits on Install pending or Waiting for install status for hours. Another device shows Failed . Ou…
Entra Connect Sync Errors Detected: A Read-First Duplicate Attribute, Soft Match, and 8344 Permission Triage
The daily email says Microsoft Entra Connect sync errors detected . Connect Health lists an AttributeValueMustBeUnique on a new hire's proxyAddresse…
Intune Remediation Script Not Running: A Read-First Exit Code, Context, and HealthScripts.log Triage
You wrote a detection script and a remediation script, uploaded them as a script package under Devices > Manage devices > Scripts and remediat…
PowerShell Out-File vs Set-Content: Encoding Is the Real Difference
Set-Content and Out-File both put text into a file. On a quiet English UTF-8 machine they look interchangeable. On a Czech log, a CSV opened in Exce…
"Your Organization Has Disabled This Device" (AADSTS135011): A Read-First Entra Device Triage
A user opens Outlook or Word and gets "Something went wrong. Your organization has disabled this device. To fix this, contact your system administra…
AADSTS53003 Blocked by Conditional Access: A Read-First Sign-In Log Triage
A user forwards a screenshot: "You cannot access this right now" and, under More details , AADSTS53003: Access has been blocked by Conditional Acces…
Entra ID Break-Glass Accounts: Best Practices After Mandatory MFA
A lot of tenants still have the same break-glass setup: one cloud-only Global Admin, a long password in a safe, and "excluded from MFA" written on t…
Матрёшка с Remcos внутри: как JS-файл, «картинка» и MSBuild передают друг другу эстафету
Привет, Хабр! Сегодня я хочу рассказать о том, как один невзрачный .js-файл превратился в шесть слоёв упаковки, и в самом центре этой матрёшки сидел…
Microsoft Graph PowerShell SDK v2: The Enterprise Automation Engine for Entra ID
The deprecation of legacy PowerShell modules (AzureAD, AzureADPreview, and MSOnline) forced identity and cloud security teams worldwide to migrate t…
The UTF-8 / Code Page Surprise That Corrupted My Log Parser
The UTF-8 / Code Page Surprise That Corrupted My Log Parser The parser wasn’t wrong. The bytes were fine. My shell lied about what “text” meant—and…
Exchange Online "mailbox full" but the online archive isn't helping - a read-first troubleshooting guide
Exchange Online "mailbox full" but the online archive isn't helping The ticket says: "Outlook says my mailbox is full. IT turned on the archive last…
PowerShell Measure-Object: Count Lines and Sum Folder Sizes in One Line
The PowerShell Measure-Object cmdlet turns a pile of output into a number. How many lines are in this log? How much disk does this folder eat? What'…
A Windows context menu editor in one PowerShell file
The Windows right-click menu is built from several different places, and Windows 11 hides half of it behind "Show more options". Most tools I found…
PowerShell Test-Path: Check a Path Exists Before You Act
The PowerShell Test-Path cmdlet answers one question: does this path exist? Use it before you read, write, delete, or create — so your script fails…
PowerShell Get-Content: Tail the Last Lines of Any Log
The PowerShell Get-Content cmdlet reads text from a file. For day-to-day ops you rarely need the whole file — you need the last few lines of a growi…
Windows can decode (and encode) HEIC without ImageMagick - but your browser can't decode it at all
Someone hands you a folder of iPhone photos, every file is .heic , and the form you need to upload them to wants JPG. The usual advice is "install I…
The secret was correct. The first byte wasn't.
Our deploy tool pushed a fresh API token to production. It reported success. The token was correct. Every request then failed with this: Cannot conv…
A Complete Guide to Install XAMPP, Configure Apache & MySQL Services, and Deploy WordPress Using PowerShell Commands
Setting up a reliable local web development environment is one of the first steps for anyone working with WordPress, PHP, MySQL, or Apache. While XA…
TerminalFix и фейковая Cloudflare CAPTCHA: разбираю PowerShell, который прячет EXE и DLL в PNG
Наверное, многие уже видели или хотя бы слышали про цепочки атак, где пользователю показывают красивую фейковую Cloudflare CAPTCHA, а дальше предлаг…
"0 matches" looked like "all clean": the PowerShell filter that couldn't fail loudly
This is a submission for DEV's Summer Bug Smash: Smash Stories powered by Sentry . Some bugs crash. Some bugs corrupt. The one that taught me the mo…
From X/Twitter Bookmarks to a Searchable Static Site
I wanted my X bookmarks to feel like a personal archive. The saved posts lived inside one account, the useful parts were hard to search, and the wor…
Why Does a New Windows Process Appear Every Time I Start My PC?
Have you ever opened Windows Task Manager and noticed a process you don't remember installing? You close it. You restart your computer. And there it…
I Spent 4 Hours Fighting PowerShell 5.1 Quoting Hell to Make Exa MCP Work. Here is the 10-Line Fix That Saved Me
Everything looked perfect. I had mcporter 0.7.3 configured with the Exa MCP server: mcporter list exa # ✅ exa (2 tools) — "Search the web for any to…
Monitoring Hardened Domain Controllers Without Admin Rights: The Five Permission Layers Nobody Documents
Everything works when the service account is a Domain Admin. Nothing works when you remove it. Here is the complete map of what sits in between — le…
GNS3 без VMware. Свой виртуальный коммутатор в Hyper-V и Alpine вместо VPCS
Продолжение первой статьи цикла, в котором мы собираем полноценный стенд для изучения компьютерных сетей на базе Hyper-V, Ubuntu и GNS3. Ранее мы уж…
I couldn't test my VM sizing math without spinning up a real VM
WhonixAutoSetup is a PowerShell project i keep poking at while studying for Security+. it stands up Whonix on Windows: one VM runs Tor (the gateway)…
Create and configure network security groups
Introduction Want to ensure your web infrastructure is tightly controlled and protected against unauthorized traffic? In this hands-on lab breakdown…
Using Azure Local Foundry CLI with PowerShell
Inference costs are climbing. Anthropic, OpenAI, and Microsoft have all tightened their token quotas this year. The era of subsidized generative AI…