How to Fix Fix Error 0x80070044 — Network Name Limit Exceeded on Windows
Getting Windows error 0x80070044? Network name limit exceeded? Too many network connections? Network resource exhaustion error? Maximum network names reached? Fix error code 0x80070044.
Symptoms
You might be experiencing this problem if you notice:
- •Network operations fail with error 0x80070044
- •Cannot create new mapped drives or network connections
- •Existing network shares disconnect intermittently
- •Error appears when connecting to multiple network resources
- •File server reports too many connections from client
- •Network browsing fails after many shares are mapped
Common Causes
- ⚠Maximum concurrent SMB connections reached
- ⚠Stale network connections consuming name slots
- ⚠Network redirector exhausting available entries
- ⚠Orphaned network sessions from disconnected servers
- ⚠Too many mapped drives and UNC path connections
- ⚠Network provider order causing resource conflicts
Solutions
Solution 1: Clear Stale Network Connections
- 1View all current connections:
- 2CMD: net use
- 3Disconnect stale or unused connections:
- 4net use Z: /delete (for each unused drive letter)
- 5Or disconnect all:
- 6net use * /delete
- 7Confirm with Y
- 8Clear credential cache:
- 9CMD: cmdkey /list
- 10Remove stale entries: cmdkey /delete:targetname
- 11Restart the Workstation service:
- 12net stop workstation && net start workstation
Solution 2: Increase Connection Limits
- 1Increase SMB session limit in registry:
- 2Win+R → regedit
- 3HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters
- 4Create or modify "MaxMpxCt" (DWORD):
- 5Set to 800 (decimal) — default is 50
- 6Create or modify "MaxWorkItems" (DWORD):
- 7Set to 8192 (decimal)
- 8Restart PC for changes to take effect
- 9On the file server, increase the same values
Solution 3: Optimize Network Configuration
- 1Check network provider order:
- 2Control Panel → Network and Sharing Center → Advanced settings
- 3Move "Microsoft Windows Network" to top of provider order
- 4Reset network components:
- 5CMD as Admin:
- 6netsh winsock reset
- 7netsh int ip reset
- 8ipconfig /flushdns
- 9Restart PC
- 10Use DFS if connecting to many shares on same server
- 11DFS reduces individual SMB connection overhead
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