This is the error commonly occurs in Konica Minolta BizHub 350 while configuring Network Scanning in 2003 Server.
To solve the Problem:
- Go to Start -> Run
- Type gpedit.msc
- In Local Computer Policy, go to Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options
Microsoft Network Server: Digitally sign communications (always) to “disabled”
Microsoft Network Server: Digitally sign communications (if client agrees) to “disabled“
- Go to Run and Type gpupdate