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May 19, 2002
During an upgrade of Windows NT 4.0 to Windows 2000, you experience the following BSOD:
STOP 0x00000050 (various,0x00000001,various,0x00000000).
One posible cause of this BSOD is that you have too many ports defined in the HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParametersInterfaces\{Interface ID}TcpAllowedPorts Value Name.
To workaround this issue:
1. Delete most of the port values or the entire TcpAllowedPorts Value Name.
2. Perform the upgrade.
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