Error 00007 : 0Stale NFS file handle in Module rslgcoll(041)

Question

What could be the reason for "Error 00007 : 0Stale NFS file handle in Module rslgcoll(041) " in sm21. After restarting application server I get this errors and verry soon I can not connect to server anymore(have to restart it)

Answer 1

the error area is(However we are not using SSO (in terms of single sign on functionality in order not to need enter password at logon)  :
N  =================================================
N  === SSF INITIALIZATION:
N  ===...SSF Security Toolkit name SAPSECULIB .
N  ===...SSF trace level is 0 .
N  ===...SSF library is /usr/sap/CR7/SYS/exe/run/libsapsecu.sl .
N  ===...SSF hash algorithm is SHA1 .
N  ===...SSF symmetric encryption algorithm is DES-CBC .
N  ===...sucessfully completed.
N  =================================================
N  MskiInitLogonTicketCacheHandle: Logon Ticket cache pointer retrieved from sh
red memory.
N  MskiInitLogonTicketCacheHandle: Workprocess runs with Logon Ticket cache.
M
M Mon Apr  6 21:28:36 2009
M  ThReschedAfterCommit: th_force_sched_after_commit = 1
A
A Mon Apr  6 21:28:50 2009
A  *** ERROR => RFC ======> Name or password is incorrect. Please re-enter
[abrfcio.c    6880]
N
N Mon Apr  6 21:29:13 2009