I have Wincc V6.0 licence WINCC-V6 RC 64K PTg 512 ATg on my OP.I configured 510 Archive tags now i want to configure more tags in my program.I have a licence WINCC-V6 Arch 1500 ATg to enhance the archive tags.but when i transfer WINCC-V6 Arch 1500 ATg licence the other licence WINCC-V6 RC 64K PTg 512 ATg become demo.what can be the problem?