Errores de Memoria SQLServer (dmp)

Hola a todos, tengo este tipo de errores en mi SQLServer 7.0 con sp4 en
windows 2000 server con sp4 y sus ultimos hotfix:

Que puedo o debo hacer????
Gracias
Stack Dump being sent to d:\MSSQL7\log\SQL00406.dmp
************************************************************* BEGIN STACK
DUMP:
* 03/16/05 08:40:31 spid 41
* Input Buffer 157 bytes -
* d b _ c a l l c e n t e r . . i v r _ t o _ w e b
* 1000783142 @ kmorantb
* 2005/03/16
* 8:40:19 MNPR S
*
************************************************************-
Short Stack Dump
0x77f94956 Module(ntdll+14956) (ZwGetContextThread+b)
0x0078c44a Module(sqlservr+38c44a) (utassert_fail+1a0)
0x005b8001 Module(sqlservr+1b8001) (XCB::Rollback+4b)
0x006f37f0 Module(sqlservr+2f37f0) (CDTCTransaction::abortTran+f3)
0x005b5b0c Module(sqlservr+1b5b0c) (rm_do_tm_work+109)
0x00534387 Module(sqlservr+134387) (CStatement::PreExec+71)
0x0040e998 Module(sqlservr+e998) (CMsqlExecContext::ExecuteStmts+102)
0x0040e4c0 Module(sqlservr+e4c0) (CMsqlExecContext::Execute+1bb)
2005-03-16 08:40:32.17 kernel SQL Server Assertion: File: <xcbmgr.cpp>,
line04
Failed Assertion = 'pss->IsXcbLocked ()'.
2005-03-16 08:40:32.20 spid41 Error: 3624, Severity: 20, State: 1.
2005-03-16 08:48:02.37 ods Error: 17805, Severity: 18, State: 3
2005-03-16 08:48:02.37 ods Invalid buffer received from client..
2005-03-16 08:48:37.72 ods Error: 17805, Severity: 18, State: 3
2005-03-16 08:48:37.72 ods Invalid buffer received from client..
2005-03-16 09:33:19.28 ods Error: 17805, Severity: 18, State: 3
2005-03-16 09:42:00.94 spid42 Using 'sqlimage.dll' version '4.0.5'

-Archivo dmp--Memory

MemoryLoad = 99% TotalPhys = 2047 MB AvailPhys = 4 MB

TotalPageFile = 4095 MB
Dump thread - spid = 41, PSS = 0x4702b1bc, EC = 0x4702b36c

Stack Dump being sent to d:\MSSQL7\log\SQL00406.dmp

************************************************************* BEGIN STACK
DUMP:
* 03/16/05 08:40:31 spid 41

* Input Buffer 157 bytes -

* d b _ c a l l c e n t e r . . i v r _ t o _ w e b

* 1000783142 @ kmorantb

* 2005/03/16

* 8:40:19 MNPR S

*******************
-
Short Stack Dump

0x77f94956 Module(ntdll+14956) (ZwGetContextThread+b)

0x0078c44a Module(sqlservr+38c44a) (utassert_fail+1a0)

0x005b8001 Module(sqlservr+1b8001) (XCB::Rollback+4b)

0x006f37f0 Module(sqlservr+2f37f0) (CDTCTransaction::abortTran+f3)

0x005b5b0c Module(sqlservr+1b5b0c) (rm_do_tm_work+109)

0x00534387 Module(sqlservr+134387) (CStatement::PreExec+71)

0x0040e998 Module(sqlservr+e998) (CMsqlExecContext::ExecuteStmts+102)

0x0040e4c0 Module(sqlservr+e4c0) (CMsqlExecContext::Execute+1bb)

PSS @0x4702B1BC

pspid = 41 m_dwLoginFlags = 0x03e0 plsid = 41

pbackground = 0
pbSid
..