i have win server 2003 standard edition(original) OS on my pc, after some days i install the server SP2 patch and restart the system then it is asking for activation. then i uninstall the sp2 patch and again restart the system then also it is asking for activation when im trying to activate Os with telephone it is saying "our records are saying this product is already activated",and in internet activation it is asking the key i put the original key but it is not taking what i do?

stop bending over to microsoft and install linux already

if you actually bought it and you do own the licence for it, you should contact microsoft support and tehy should be able to straighten it out.