KB1138 - SALPS can't communicate with SAL client

If the SALPS computer can't communicate with a SAL client, or you get a message to check KB1138, there are a number of reasons:
  1. Check the firewall is either turned off, or ports 135 or 445 are open.
  2. Check if Safe AutoLogon is installed, if the trial has expired, or if the LAS subscription has expired.
  3. The SAL client and SALPS server both need to be either using port 21801 or both need to have their firewall turned off (or open ports 135 and 445 on both).

If the firewall cannot be turned off, or if your organization has closed all or most all of the common ports, you can use our IANA-designated port 21801, listed on IANA for our Safe AutoLogon/SALPS software.

IANA (Internet Assigned Numbers Authority) is the organization that oversees the allocation of IP port numbers (21, 25, 80, 135, 443, 445, etc), and they have designated a port (21801) specifically for our Safe AutoLogon and Safe AutoLogon Password Server software. This allows our software to communicate directly over port 21801, which avoids the security risks of using common ports. 139, 443, etc.

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