Rds Cal License Registry Key

Here’s a technical guide to the RDS CAL license registry keys in Windows Server.

Use case: If a client cannot connect due to “no license available” but should have one, delete the MSLicensing key (after backup) and reconnect. rds cal license registry key

However, the single most frequent – and dangerous – reason administrators touch this key is to circumvent licensing errors during the 120-day grace period. When an RDS server cannot reach a license server, it eventually stops accepting new connections. Unscrupulous or desperate guides online may suggest deleting or modifying registry keys to reset the grace period. This is a risky and often temporary hack. Here’s a technical guide to the RDS CAL

What it does: This key points to the location of the Jet database (lServer.mdb) that tracks all issued CALs. When an RDS server cannot reach a license

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TermServLicensing\Parameters