Preventing Out of Office Messages from being sent ou to distribution lists Valid for Exchange 2003 only. Key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\ParametersSystem Value: SuppressOOFsToDistributionLists (DWORD) Set 1 to suppress or 0 to allow.   The setting should be set on mailbox servers.   The setting prevents sending OOFs unless the the recipient is in the TO,CC or BCC(if no one other recipientsappear in the other fields).  

Displaying the Security property page

An oldie but still worthwhile mentioning.The Exchange System Manager does not display the Security property page for the organization or for the Administrative Groups. To display the page add the following registry entry: Key: HKCU>Software>Microsoft>Exchange>ExAdminValue: ShowSecurityPage (DWORD)Set the value to 1 and restart the ESM-Presto!

LimitLogin v1.0

Microsoft has released  a tool we have been waiting for-a tool that enablesSysAdmins to control conccurent logins to their AD environment. Based on the short time I have been exposed to this tool I can say that it looks cool but it has its limitations. The download can be found at: