Network & Connectivity

Wi-Fi drops, DNS failures, VPN issues, and TCP/IP errors.

826 solutionsPage 3 of 35
Sort by: Newest Most Viewed A-Z

Switch Port Blocking? Here's the Real Fix

Got a switch port that's suddenly blocking traffic? Nine times out of ten, it's a loop or a bad cabl...

Intermediate 7 views Jul 3, 2026
FragmentationDetected

Network Overlay Tunnel Fragmentation Detected – Fix It Fast

Your overlay tunnel is breaking packets bigger than 1500 bytes. We'll fix the MTU mismatch so traffi...

Intermediate 5 views Jul 3, 2026
0X0000277A

Fix WSAEPROVIDERFAILEDINIT (0X0000277A) error on Windows 10/11

This error shows up when Windows can't load a network service provider, often after VPN or antivirus...

Beginner 6 views Jul 3, 2026

MAC Address Conflict: Why You're Dropping Off the Network

Two devices on your LAN can't share the same MAC address. Here's what causes it and how to fix each ...

Intermediate 7 views Jul 2, 2026

Switch Firmware Mismatch: Fix Network Drops Fast

Firmware mismatch between switches causes random disconnects and slow speeds. I'll show you the exac...

Intermediate 7 views Jul 2, 2026

Windows 11 Wi-Fi keeps disconnecting on Dell XPS 13

Your Dell XPS 13 drops Wi-Fi every few minutes on Windows 11. It's a power saving setting gone wrong...

Beginner 7 views Jul 2, 2026
0X00000A32

Fix error 0X00000A32 on Windows network shares

This error pops up when Windows can't access a network printer or shared folder. Usually a driver mi...

Intermediate 7 views Jul 2, 2026

ISP connectivity loss: quick fix for sudden drops

ISP connection drops can drive you crazy. This fix targets the router DHCP lease issue that often ca...

Beginner 6 views Jul 2, 2026
HTTP 504 or ERR_PROXY_CONNECTION_FAILED

Proxy Server Timeout Error: The Quick Fix That Works

Proxy timeout errors stall everything. Here's the real fix: bypass the proxy for local addresses and...

Beginner 9 views Jul 2, 2026

ARP Poisoning Slowdown: Fix Your Network Now

If your network feels sluggish or sites redirect to weird pages, ARP cache poisoning might be the cu...

Intermediate 5 views Jul 1, 2026
WPA2 Authentication Failure

Wi-Fi AP Auth Failure: 3 Quick Fixes for Windows 11

When your laptop says 'can't connect' to the office Wi-Fi, it's usually a password mismatch or drive...

Beginner 8 views Jul 1, 2026
0X400D0059

Fix NS_I_LIMIT_FUNNELS (0X400D0059) Stream Limit Error

This error means a NetShow admin capped your streaming sessions. Here's how to check limits and bypa...

Intermediate 6 views Jul 1, 2026
No specific error code – DHCP Discover packets not forwarded

DHCP Relay Agent Not Working – 3 Fixes That Actually Work

DHCP relay agent stops working? 9 times out of 10 it's the helper-address or interface config. Here'...

Intermediate 6 views Jul 1, 2026

WiFi keeps dropping on Windows? Try these 3 fixes

WiFi dropping every few minutes? I've fixed this for hundreds of users. Start with the 30-second fix...

Beginner 9 views Jul 1, 2026
OVSDB sync timeout after 30s

SDN controller cluster split-brain fix: OVSDB sync failure

When SDN controller nodes lose OVSDB sync, the cluster splits. Fix is checking UDP 6644 and restarti...

Intermediate 8 views Jul 1, 2026

Fix Slow Network Throughput Below Minimum Threshold

Your network is slower than promised. This guide fixes it fast. No fluff, just steps that work....

Intermediate 6 views Jun 30, 2026

Router CPU spike causing packet loss – fix the real cause

Router CPU at 100% drops packets. Usually a bad cable, too many devices, or a botched firmware updat...

Intermediate 9 views Jun 30, 2026
0X0000212D

Active Directory can't with account group memberships error 0X0000212D

This error pops up when AD tries to handle group memberships for a user or computer account and some...

Intermediate 8 views Jun 30, 2026
DNS_ERROR_ZONE_TRANSFER_FAILED (0x00002B2B, 11039)

DNS Zone Transfer Failed? Here's the Real Fix

DNS zone transfers fail for one main reason: permission issues. This fix walks you through checking ...

Intermediate 6 views Jun 30, 2026
0X0000255E

DNS_ERROR_DWORD_VALUE_TOO_SMALL (0X0000255E) – Fix the 0 value

This error pops up when a registry DWORD for DNS is set to 0 or too small. The fix is to set it to 1...

Beginner 8 views Jun 30, 2026

VLAN Mismatch Error: Fix It in 2 Minutes

VLAN mismatch stops network traffic between switches. The fix is matching VLAN IDs on both ends. Her...

Intermediate 8 views Jun 30, 2026
0X00002AFC

Fix WSANO_DATA (0X00002AFC) DNS Error on Windows

This error means DNS found the hostname but no record of the type you asked for. Happens when DNS ha...

Intermediate 8 views Jun 30, 2026
0XC0368006

Fix STATUS_IPSEC_DOSP_MAX_PER_IP_RATELIMIT_QUEUES (0xC0368006) fast

This error hits when IPsec DoS protection blocks a single IP sending too many packets. We'll turn do...

Intermediate 6 views Jun 29, 2026

VPN split tunneling broke my network printer and file shares

When VPN split tunneling is set up wrong, you lose access to local printers, file shares, and other ...

Intermediate 6 views Jun 29, 2026