Server & Cloud

VHD Failed to Mount

Fix 'Azure VM Boot Error: VHD Failed to Mount' on Windows Server 2022

This error stops your Azure VM cold. I'll walk you from a quick check to a full fix. Start simple, e...

Intermediate 👁 30 May 28, 2026

0X000006E2

RPC_S_NAME_SERVICE_UNAVAILABLE (0X000006E2) Fix

This error pops up when a Windows server can't find the RPC name service. Usually happens when the R...

Intermediate 👁 32 May 28, 2026

0X80010004

Fix 0X80010004: RPC_E_CANTCALLOUT_INASYNCCALL in COM+

This error means your code tried to make a synchronous call from inside an async COM call. The fix i...

Intermediate 👁 30 May 28, 2026

0X000013CC

Quick Fix for Quorum Resource Lock Error (0X000013CC)

Stuck on a quorum resource operation? This error means you're trying to modify the cluster's quorum ...

Intermediate 👁 24 May 28, 2026

0XC00D1356

NS_E_SUBSCRIPTIONSERVICE_PLAYBACK_DISALLOWED (0XC00D1356) Fix

Windows Media Player error 0XC00D1356 means the content provider blocked playback. The quick fix is ...

Beginner 👁 35 May 28, 2026

0X8001010E

Fix RPC_E_WRONG_THREAD (0x8001010E) in COM Apps

This COM marshaling error means your app is trying to use an interface pointer on the wrong thread. ...

Advanced 👁 38 May 28, 2026

0X0000171D

Fix ERROR_CLUSTER_INVALID_STRING_FORMAT (0x0000171D) Fast

This error means a cluster resource name or dependency string is corrupt. Here's how to fix it witho...

Intermediate 👁 24 May 28, 2026

0X000006E0

RPC_S_ENTRY_ALREADY_EXISTS (0x000006E0) – Quick Fix

This error means a duplicate RPC entry is blocking something. Usually happens after a failed install...

Intermediate 👁 28 May 28, 2026

0XC00D2EE8

Fix NS_E_INCOMPATIBLE_SERVER (0XC00D2EE8) Streaming Error

Windows Media Player can't connect to the server because it's not running compatible streaming softw...

Intermediate 👁 28 May 28, 2026

0X8001011D

Fix RPC_E_INVALID_OBJREF 0x8001011D: Quick Start to Deep Fix

This error means COM can't read the object reference data. You'll fix it fast by restarting the DCOM...

Intermediate 👁 102 May 28, 2026

0XC002000E

RPC_NT_ALREADY_LISTENING (0XC002000E) – Quick Fix

Stop the RPC service, clear stale endpoint mappings, then restart. That's it. Here's the exact steps...

Beginner 👁 31 May 28, 2026

0X00002188

Fix ERROR_NOT_SUPPORTED_ON_STANDARD_SERVER (0X00002188)

This error shows up on Standard Windows Server when you try a feature that needs Datacenter edition....

Intermediate 👁 26 May 28, 2026

0X0000218E

Fix Active Directory error 0X0000218E: Single-user mode failed

This error hits when AD can't start in single-user mode, often after a botched schema update or fail...

Advanced 👁 34 May 28, 2026

ORA-01034

ORA-01034: ORACLE not available – fix from quick to deep

Oracle says the instance isn't available. Start with a 30-second check on listener and SID, then mov...

Intermediate 👁 77 May 28, 2026

0XC00002A4

Fix Active Directory error 0XC00002A4: attribute already exists

This error means AD already has the attribute or value you're trying to add. Here's how to clear it ...

Intermediate 👁 26 May 28, 2026

0X0000077A

Fix RPC_S_INVALID_ASYNC_HANDLE (0x0000077A) error in 3 steps

This RPC error means your async handle is toast. Start with the 30-second reboot, then check RPC ser...

Intermediate 👁 27 May 28, 2026

0X00002042

Active Directory LDAP control not supported (0x00002042)

This error hits when an LDAP client sends a control the AD domain controller doesn't recognize. It's...

Intermediate 👁 36 May 28, 2026

0X00001716

Cluster Resource DLL Timeout (0X00001716) Fix

A cluster resource DLL call timed out. Here's how to fix it, from a quick restart to deeper registry...

Intermediate 👁 28 May 28, 2026

0XC0020016

RPC_NT_OUT_OF_RESOURCES (0XC0020016) – Why It Happens & The Fix

This error means the RPC service ran out of ephemeral ports or memory. It’s almost always port exhau...

Intermediate 👁 32 May 28, 2026

0XC00000F6

STATUS_INVALID_PARAMETER_8 (0xC00000F6) Fix: Stop Wasting Time

This error means the eighth argument you passed to a service or function is garbage. Real fix: check...

Intermediate 👁 29 May 28, 2026

0X00000788

RPC_S_GRP_ELT_NOT_ADDED 0X00000788: Group membership add fails

Happens when adding users to a domain local group from a different domain. Usually a SAN/SPN mismatc...

Intermediate 👁 42 May 28, 2026

0XC00000F9

Fix STATUS_INVALID_PARAMETER_11 (0xC00000F9) in 3 Steps

This error means a program sent a bad parameter to Windows. Start with the quick fix, then move up i...

Beginner 👁 35 May 28, 2026

InstanceTypeNotSupported

EC2 Dies on Launch with InstanceTypeNotSupported – Fix It Now

Your EC2 instance won't start because the instance type you picked isn't available in that region or...

Beginner 👁 27 May 27, 2026

0X40000370

0X40000370: Directory Service Shutting Down Fix

Active Directory stops responding or kicks you out. Usually a bad domain controller restart or repli...

Intermediate 👁 38 May 27, 2026