Hi All, Can some one help me with these,... we are a win 2K network with only the exchange server on win 2003 and the exchange 2003. Thank You Event Type: Error Event Source: MSExchangeDSAccess Event Category: Topology Event ID: 2103 Date: 3/1/2004 Time: 11:47:34 AM User: N/A Computer: SIPC-EXCH01 Description: Process MAD.EXE (PID=2536). All Global Catalog Servers in use are not responding: sipc-dc01.sipchem.local sus-server.sipchem.local Event Type: Error Event Source: MSExchangeSA Event Category: General Event ID: 9153 Date: 3/1/2004 Time: 12:26:48 PM User: N/A Computer: SIPC-EXCH01 Description: Microsoft Exchange System Attendant reported an error '0x8000500d' when setting DS notification. For more information, click http://www.microsoft.com/contentredirect.asp. Event Type: Error Event Source: Userenv Event Category: None Event ID: 1030 Date: 3/1/2004 Time: 12:06:28 PM User: SIPCHEM\Administrator Computer: SIPC-EXCH01 Description: Windows cannot query for the list of Group Policy objects. Check the event log for possible messages previously logged by the policy engine that describes the reason for this. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.