DOCUMENT:Q158812 19-DEC-1999 [exchange] TITLE :XFOR: ErrMsg: Postoffice NETWORK/PO Could Not Be Modified PRODUCT :Microsoft Exchange PROD/VER:winnt:4.0,5.0,5.5 OPER/SYS: KEYWORDS:exc4 exc5 exc55 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Exchange Server, versions 5.5, 4.0, 5.0 ------------------------------------------------------------------------------- SUMMARY ======= When you attempt to modify a Microsoft Mail postoffice connection from the Microsoft Exchange Server Administrator program (Admin.exe), you may receive the following stop error message: The postoffice NETWORK/PO could not be modified because either the MS Mail Connector server is unavailable or there is insufficient memory available to perform this operation. MORE INFORMATION ================ The registry entry for the postoffice is missing. Restore the registry key from backup or manually restore the registry value for the postoffice in question using the Registry Editor. WARNING: Using Registry Editor incorrectly can cause serious, system-wide problems that may require you to reinstall Windows NT to correct them. Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. Use this tool at your own risk. 1. Start Registry Editor (Regedt32.exe). 2. Under the HKEY_LOCAL_MACHINE subtree, go to the following subkey: SYSTEM/CurrentControlSet/Services/MSExchangeMSMI/Parameters/Admin 3. Select this key to highlight it, click Edit, and click Add Value. 4. Create the registry value with the following parameters: Value Name: NETWORK/PO Data Type: REG_SZ String: \\Machine_name\Share /Z NOTE: For "NETWORK/PO" use the Network and Postoffice name for the postoffice in question. This data will be displayed in the Microsoft Mail Connector properties' Connections tab. For the String data, the example above is for Windows NT Server and LanManager compatible networks. For NetWare networks the path would be in the following format: \\Server_name\Volume\Path_to_Maildata For more information on configuring the Microsoft Mail Connector for Microsoft Exchange Server refer to the Microsoft Exchange Server Administrator's Guide, Chapter 14. This information is also available on Books Online included with Microsoft Exchange Server. Additional query words: ====================================================================== Keywords : exc4 exc5 exc55 Technology : kbExchangeSearch kbExchange500 kbExchange550 kbExchange400 kbZNotKeyword2 Version : winnt:4.0,5.0,5.5 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1999.