This <a href="http://www.tech-archive.net/Archive/Windows/microsoft.public.windows.server.sbs/2005-02/0506.html">site </a>explains how to change the default. Here is the "I just want to do it" version - with a warning...: The default value for the cookie timeout is 10 minutes. If you want to set this value to something other than 10 minutes, you must modify the registry settings on the server. <i><b>Warning</b></i> This section contains information about editing the registry. <b><i>Before you edit the registry, make sure you understand how to restore it if a problem occurs</i></b>. For information about restoring the registry, see the “Restore the Registry” Help topic in Regedit.exe or Regedt32.exe To set the Outlook Web Access cookie timeout value 1. Click Start, click Run, and type Regedit in the box next to Open. Click OK. 2. Navigate to the following registry key: HKey_local_machinesystem CurrentControlSetServicesMSExchangeWebOWA 3. Create a new Dword value and name it KeyInterval. 4. Right-click the KeyInterval Dword value and click Modify. 5. In the Base window, click the button next to Decimal. 6. In the Value Data field, enter a value (in minutes) between 1 and 1440. 7. Click OK. Good Luck! -Flame **********************************

This <a href="http://www.tech-archive.net/Archive/Windows/microsoft.public.windows.server.sbs/2005-02/0506.html">site </a>explains how to change the default. Here is the "I just want to do it" version - with a warning...: The default value for the cookie timeout is 10 minutes. If you want to set this value to something other than 10 minutes, you must modify the registry settings on the server. <i><b>Warning</b></i> This section contains information about editing the registry. <b><i>Before you edit the registry, make sure you understand how to restore it if a problem occurs</i></b>. For information about restoring the registry, see the “Restore the Registry” Help topic in Regedit.exe or Regedt32.exe To set the Outlook Web Access cookie timeout value 1. Click Start, click Run, and type Regedit in the box next to Open. Click OK. 2. Navigate to the following registry key: HKey_local_machinesystem CurrentControlSetServicesMSExchangeWebOWA 3. Create a new Dword value and name it KeyInterval. 4. Right-click the KeyInterval Dword value and click Modify. 5. In the Base window, click the button next to Decimal. 6. In the Value Data field, enter a value (in minutes) between 1 and 1440. 7. Click OK. Good Luck! -Flame **********************************