Server & Cloud

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 👁 42 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 👁 39 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 👁 39 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 👁 38 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 👁 57 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 👁 43 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 👁 31 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 👁 46 May 27, 2026

0X80080003

Fixing 0x80080003: CO_E_SCM_RPC_FAILURE on Windows Server

RPC call to the OLE service failed. Usually a dead DCOM or RPC service, corrupted user profile, or a...

Intermediate 👁 37 May 27, 2026

0XC0000081

Fixing 0XC0000081: GUID Allocation Server Not Disabled Error

This error means Windows can't disable a GUID allocation server during boot. Common causes: registry...

Intermediate 👁 36 May 27, 2026

0X000006F2

0X000006F2: Binding Handles Mismatch Fix for RPC Errors

This RPC error means your RPC handles don't match. Try the quick RPC service restart first, then che...

Intermediate 👁 36 May 27, 2026

0X0000042E

Fix ERROR_SERVICE_START_HANG (0X0000042E) in 5 Minutes

Service hangs in start-pending state? Here's how to kill it fast and fix the root cause—usually a mi...

Intermediate 👁 44 May 27, 2026

0X80010102

RPC_E_ATTEMPTED_MULTITHREAD (0x80010102): Single-Threaded COM Call on Wrong Thread

You tried to call a COM object across threads when it's marked single-threaded. The fix is to use th...

Intermediate 👁 32 May 27, 2026

0XC0030061

RPC_NT_PIPE_EMPTY (0XC0030061) — Why It Happens and How to Fix

This error pops up when an RPC pipe runs dry mid-call. The server sent zero bytes, usually from a ti...

Intermediate 👁 44 May 27, 2026

0X000009D5

0X000009D5: SQL Server memory allocation failure fix

This error hits when SQL Server can't grab enough memory from the OS. I'll show you how to free it u...

Intermediate 👁 37 May 27, 2026

0X000013D2

Cluster Join Aborted (0X000013D2) After Network Blip

This error hits when a node tries to join a Windows Failover Cluster but the join times out or gets ...

Intermediate 👁 40 May 27, 2026

0X0000201C

Fix ERROR_POLICY_ONLY_IN_DS (0X0000201C) in Active Directory

This error means a policy object exists only in the directory service, not in Sysvol. Here's how to ...

Intermediate 👁 54 May 27, 2026

0X00000934

Fix 0X00000934: Invalid path component in Windows Server

This error pops up when Windows can't parse a file path — usually a colon, double slash, or trailing...

Intermediate 👁 37 May 27, 2026

0X00001F46

FRS_ERR_SERVICE_COMM (0X00001F46): File Replication Service Won't Start

This error means the File Replication Service can't talk to other domain controllers. Nine times out...

Intermediate 👁 33 May 27, 2026

0X00002138

AD DS Won't Start? Fix 0x00002138 SAM Init Failure

Your Domain Controller won't boot into AD DS because the SAM database failed to initialize. This is ...

Advanced 👁 38 May 27, 2026

Timeout expired / DTU limit hit

Azure SQL DTU Exhaustion: Fix Query Timeouts Fast

When your Azure SQL Database hits its DTU cap, queries time out. Start with quick indexing, then sca...

Intermediate 👁 40 May 27, 2026

0XC0020039

RPC_NT_INVALID_VERS_OPTION (0XC0020039) fix: 3 causes

You're getting 'The version option is invalid' from an RPC call. Here's what's actually causing it a...

Intermediate 👁 45 May 27, 2026

0XC000040B

Fix STATUS_CROSSREALM_DELEGATION_FAILURE (0xC000040B) Fast

This Kerberos delegation error stops cross-realm authentication cold. Start with the 30-second fix, ...

Intermediate 👁 42 May 27, 2026

0X00002017

Fix ERROR_DS_CANT_MOD_OBJ_CLASS (0X00002017) in Active Directory

This error means AD won't let you change an object's class type. The fix is to delete the object and...

Intermediate 👁 35 May 27, 2026