noun, Chemistry. 1. the univalent ion, NH 4 + , or group, NH 4 , which plays the part of a metal in the salt formed when ammonia reacts with an acid. ammonium nitrate is extremely common, and pretty dangerous, and also extremely useful.
1 Double-click the Allow users to connect remotely using Terminal Services policy. 2  Set the policy to Enabled, and then click OK. 3  Right-click My Computer and click Properties. 4  Click the Remote tab. 5  In the Remote Desktop section, click to clear Allow users to connect remotely to this computer, and then click OK.ou can also use the following procedure to disable Remote Desktop; however, if you use the preceding procedure, the following configuration is overridden: NOTE: Remote Desktop is disabled by default on Windows XP Professional. 1  Click Start, click Run, type gpedit.msc, and then click OK.
When you enable this feature on a domain operating in Windows Server 2003 or higher functional level, any domain controller can resolve logon requests locally without having to go through the global catalog server. You can enable or disable universal group membership caching by following these steps:1.his solution also reduces replication traffic. Instead of replicating the entire global catalog periodically over the network, only the universal group membership information in the cache is refreshed. By default, a refresh occurs every eight hours on each domain controller thatâs caching membership locally.