ERROR_TOO_MANY_SESS 0x80070045

Error code 69 · HRESULT 0x80070045

WINDOWS

The network BIOS session limit was exceeded.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_TOO_MANY_SESS is a Windows error code (system error 69, returned as HRESULT 0x80070045) reported by Windows. Its official message is: “The network BIOS session limit was exceeded.”

How to fix ERROR_TOO_MANY_SESS

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_TOO_MANY_NAMESERROR_TOO_MANY_CMDSERROR_TOO_MANY_SEMAPHORESERROR_TOO_MANY_SEM_REQUESTSERROR_BAD_NET_NAMEERROR_SHARING_PAUSEDERROR_REQ_NOT_ACCEP

Source: Microsoft WinError.h

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