Try and solve this one, NWRDR Event ID 8

I have been experiencing Event ID 8007 on a Windows NT 4.0, SP4 running Client Services for Netware, about once every five days. I have tried three different methods to correct these problems:
1)Setting DefaultMaxPacketSize to 1012.
(MS Article Q134385)
2)Changing the MaxBurstSize registry entry for the NetWare client services must be set to zero.
3) Disable Netware Redirector File Caching (MS Article Q163401)

None of these methods helped.