Slow Processing with Windows NT PDC and LAN Manager BDCLast reviewed: June 20, 1995Article ID: Q124912 |
The information in this article applies to:
SYMPTOMSAll networks that have Windows NT version 3.5 Domain Controllers (DCs) and LAN Manager Backup Domain Controllers (BDCs) experience this problem. Some symptoms of this issue can be a general slowness of the Windows NT version 3.5 DC because of the constant syncing of the LAN Manager BDCs. Symptoms for this problem include:
CAUSEA design change in Windows NT version 3.5 causes the entire membership of groups (containing new users) to be sent to the LAN Manager BDC. If the total amount of this data is greater than the buffer allocated by the BDC for the DC, it requests a larger buffer. If the second buffer is also too small, the BDC goes into a full sync condition.
WORKAROUNDTo reduce the likelihood of encountering this problem, change the LAN Manager BDC so that it initially allocates a buffer of 64K.
RESOLUTIONMicrosoft has changed Windows NT so it now sends a list of only the groups that new users belong to, instead of the entire membership of the groups.
STATUSMicrosoft has confirmed this to be a problem in Windows NT Workstation and Windows NT Server version 3.5. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 3.5. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):
S E R V P A C KTo correct this problem on your LAN Manager BDC servers, contact Microsoft Product Support Services to get the LAN Manager patch, CSD00.108.
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KBCategory: kbnetwork kbbug3.50 kbfix3.50.sp2
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