Application Exception in Snalink!UpdateDLSData (286168)

SYMPTOMS

SNA Server or Host Integration Server 2000 systems being used to distribute DLC 802.2 link services for use by branch SNA Servers and/or Host Integration 2000 servers in a Distributed Link Service (DLS) environment may experience an application exception in Snalink!UpdateDLSData.

NOTE: The problem only occurs when a DLS connection terminates unexpectedly. Therefore, the Application Event log may contain events normally associated with connection outages prior to the application exception. Common connection outage events logged by SNA Server/HIS 2000 include the following events: 23, 227, 226.

RESOLUTION

SNA Server 4.0

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft SNA Server version 4.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:

File name	Date	Time
Snadlc.dll	01/26/2001	09:13AM

NOTE: Because of file dependencies, the most recent fix that contains the preceding files may also contain additional files.

Host Integration Server 2000

To resolve this problem, obtain the latest service pack for Host Integration Server 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

328152 How to Obtain the Latest Host Integration Server 2000 Service Pack

The English version of this fix should have the following file attributes or later:

File name	Date	Time
Snadlc.dll	01/26/2001	09:13AM

NOTE: Because of file dependencies, the most recent fix that contains the preceding files may also contain additional files.

MORE INFORMATION

If DRWTSN32.exe is configured as the default debugger, information similar to the following is added to the DRWTSN32.LOG when this application exception occurs:

Application exception occurred:
        App: exe\snalink.dbg (pid=89)
        When: 12/5/2000 @ 19:8:42.58
        Exception number: c0000005 (access violation)

   [data omitted...]

        6338917d 7fec             jg      UpdateDLSData+0x8b (6338916b)
        6338917f a17c1a3963   mov eax,[DlsData+0x344 (63391a7c)] ds:63391a7c=63391a80
        63389184 6840173963       push    0x63391740
        63389189 50               push    eax
        6338918a 6849173963       push    0x63391749
        6338918f ffd3             call    ebx
        63389191 83c40c           add     esp,0xc
        63389194 c7053817396300000000                            ds:63391738=00000000
                                  mov     dword ptr [DlsData (63391738)],0x0
        6338919e 8bb42420010000   mov     esi,[esp+0x120]        ss:00baff0c=63387d83
        633891a5 6849183963       push    0x63391849
FAULT ->633891aa 660fb64e0a       movzx   cx,byte ptr [esi+0xa]        ds:0161ea08=??
        633891af 51               push    ecx
        633891b0 e84f350000       call    GetClientWorkstationName (6338c704)
        633891b5 85c0             test    eax,eax
        633891b7 0f84cd010000     je      UpdateDLSData+0x2aa (6338938a)
        633891bd 8d542414         lea     edx,[esp+0x14]         ss:021ce7f3=????????
        633891c1 52               push    edx
        633891c2 6a03             push    0x3
        633891c4 6a00             push    0x0
        633891c6 6849173963       push    0x63391749
        633891cb 6802000080       push    0x80000002
        633891d0 ff1500103863                                    ds:63381000=77dd992e
                                  call    dword ptr [_imp__RegOpenKeyExA (63381000)]

In addition, an event similar to the following will be logged in the Application Event Log:

Event ID: 624
Source: SNA Server
Description: Creating dump file D:\sna\traces\snadump.log for snalink.exe