SYMPTOMS

When attempting logon to a web client, the following error message is displayed: 

"AcquireLicense license failed, error 0x800......."

or

"The license system could not be initialized."

CAUSE

This problem may occur after installing Microsoft Update KB4056895 Windows Meltdown/Spectre patches (january 2018)

SOLUTION

1. Open start run Type - dcomcnfg and OK  .It will open component services.
2. Navigate to component services > computers  > my computer > Dcom Config > Licenseserver > Properties > General > Change Authentication Level  to Packet Integrity  
3. Navigate to component services > computers  > my computer > Dcom Config > Zynetsessionserver > Properties > General > Change Authentication Level  to Packet Integrity 

 

APPLIES TO

5.0 and 6.0