1023,1026 event ids frequently occuring in Application event log in MS Exchange server 2003.kindly help me to resolve the issue.

Can you post full event logs and some detailed description about your Exchange environment?Amit Tank || MVP - Exchange || MCITP - Exchange 2007 || http://ExchangeShare.WordPress.com

Hi,Whether the 1023 was related to POP3 or IMAP service? If it is, please check whether below link can help you:http://support.microsoft.com/kb/284271/en-usIf not, please verifythat the issue was occurring because the First Counter, First Help, Last Counter, and Last Help values were missing from the following Registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TermService\Performance RESOLUTION: We ran the following command to rebuild the Terminal Service Performance Registry key: lodctr tslabels.ini After running the command above, please test this issue.ThanksAllen