In the registry, set or create the REG_DWORD value ArpCacheSize to the number of entries you want Windows to keep in the cache. This value is in HKLM | System | Current Control Set | Services | TCP/IP | parameters. The default value is 62 entries.
Dig Deeper on Windows client management
Related Q&A from Jerry Honeycutt
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.