Hi everyone, I have the following

4 NW 6.5 sp1.1
Zenworks 6.5 1b
Groupwise 6.5.1
Main server - file,dns,groupwise,gwia, VO
2nd server- webaccess only
3rd server- Zenworks 6.5 1b, imaging, inventory
4th server - tape backup

The Main server has out of memory errors about once every two months.

I am looking at applying either sp3 or sp4. From what ?I have read SP3
has alot of memory issues, while sp4 breaks Zenworks?

Any thoughts or recommendations regarding SP3 or SP4?

Thanks