Subject RE: [firebird-support] Error -902 after Update Windows 10
Author Primoz Jenko

Hi!

 

 

 

 

We have exact same problem. Author of some previous posts here in this group (THANK YOU AGAIN!)  gave us the asnwer how to solve the problem.

Problem is with update WIN 10, uptd 1803.

 

 

https://blog.mertech.com/windows-10-version-1803-breaks-some-shared-folder-applications

 

 

The Version 1803 issue in detail

It appears that Microsoft has introduced a bug or security feature that prevents applications started from SMB v1.x network shares from making network connections. This means that applications started from these environments can’t open a connection to a database server. In fact, they can’t perform any other types of network calls either.


This problem most commonly occurs when Windows 10 clients access a custom application from a mapped drive on Windows Server 2003. Unfortunately, there doesn’t appear to be a way to upgrade Windows Server 2003 to use a newer version of the SMB protocol. The only workaround in this environment is to copy the application executable to a local disk and run it from there.

 

 

-----------

We choose to update our Server 2003 to get newer protocol and for time beeing we copy each of .exe to local machine. It all is described in article above (link).

 

 

 

Best regards,

Primoz

 

 

 

From: firebird-support@yahoogroups.com [mailto:firebird-support@yahoogroups.com]
Sent: Wednesday, May 23, 2018 7:24 PM
To: firebird-support@yahoogroups.com
Subject: [firebird-support] Error -902 after Update Windows 10

 

 

Hi

Since few days ago, after Windows 10 update, some applications writes in Delphi can not connect to network  Firebird 2.5.5 server.
These applications can connect with BDE, InterBase, FIB, FireDac... but all are using the GDS32.dll

In other side, applications as FlameRobin, are using the same library GDS32.dll and connects successfully.
Clients with previous Windows versions works fine too.

These are the errors messages:

Interbase:

22/05/2018 17:48:03  DBUG:  ; ¬[Application: ]¬[Error] -902 335544721 Unable to complete network request to host "192.168.1.100".¬Failed to establish a connection

 

BDE:

OpenConfigDatabase DbConnection Exception. Error Opening Configured Database $AUTO_DATA, Error was: Unknown database.
Unable to complete network request to host "192.168.1.100".
Failed to establish a connection.


The problem is a kind of local issue, because other Pc-clients works fine. But certainly is the gds32.dll that cannot connect with server and I not known why.

Some help please?
Tank you.

a Reveure,

--

Eduard Calveras

IT System Engineer

 

 


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